{"title":"Cavity Barriers","description":"A range of cavity barriers for masonry and timber frames. Both full fill and expanding are available. IF you are looking for a size that is not showing, then please get in touch.","products":[{"product_id":"65mm-mayplas-tcb-cavity-barrier-551","title":"50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - pack of 40","description":"\u003cp\u003e\u003cstrong\u003eTimber Frame Cavity Barrier 551\u003c\/strong\u003e has been designed to prevent the passage of fire through concealed voids within the external fabric of a timber frame building.\u003c\/p\u003e\n\u003cp\u003eEuroclass A1 non-combustible.\u003c\/p\u003e\n\u003cp\u003eFLEXI Edge ensures\u003cspan\u003e \u003c\/span\u003etight\u003cspan\u003e \u003c\/span\u003efriction fit.\u003c\/p\u003e\n\u003cp\u003eHigh-performing acoustic, thermal and fire protection properties.\u003c\/p\u003e\n\u003cp\u003eWill not slump, even if studs shrink.\u003c\/p\u003e\n\u003cp\u003eZero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e up to 50mm (15mm compression required)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 65mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 65mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003ePack Coverage\/Linear Meterage:\u003c\/strong\u003e 48 m\u003cbr\u003e\u003cstrong\u003eQuantity per pack:\u003c\/strong\u003e 40\u003cbr\u003e\u003cstrong\u003eThermal Conductivity:  \u003c\/strong\u003e0.038 W\/mK\u003cbr\u003e\u003cstrong\u003eR-Value:\u003c\/strong\u003e 2.47 m²K\/W\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Barrier is suitable for both vertical and horizontal positioning to the edge of cavities, around penetrations, at separating compartment lines and to sub-divide cavities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEuroclass A1 fire rating \u003c\/span\u003e\u003c\/strong\u003e\/ Tested and assessed for up to 60 minutes of fire resistance (integrity and insulation) in accordance with BS 476: Part 20. \u003cbr\u003e\u003cstrong\u003eISO14001 \u003c\/strong\u003e- Environmental Management.\u003cbr\u003e\u003cstrong\u003eEN 13162\u003c\/strong\u003e - Manufactured in accordance with.\u003cbr\u003e\u003cstrong\u003eA+\u003c\/strong\u003e rating on BRE Green Guide\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":37358520565918,"sku":"MAY\/TCB551-65_PK","price":95.1,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/50mm_Mayplas_Timber_Frame_Cavity_Barrier_TCB_551_65x65mm_-_pack_of_40_Insulation_Merchant.png?v=1732114755"},{"product_id":"50mm-mayplas-masonry-cavity-barrier-mp552-css-65x65mm-per-length","title":"50mm Mayplas Masonry Cavity Barrier MP552 CSS (65x65mm) - per length","description":"\u003cp\u003e\u003cstrong\u003eMasonry Cavity Barrier 552\u003c\/strong\u003e has been designed to prevent the passage of fire through concealed voids within the external fabric of a masonry building.\u003c\/p\u003e\n\u003cp\u003eEuroclass A1 non-combustible.\u003c\/p\u003e\n\u003cp\u003eFLEXI Edge ensures\u003cspan\u003e \u003c\/span\u003etight\u003cspan\u003e \u003c\/span\u003efriction fit.\u003c\/p\u003e\n\u003cp\u003eHigh-performing acoustic, thermal and fire protection properties.\u003c\/p\u003e\n\u003cp\u003eWill not slump, even if studs shrink.\u003c\/p\u003e\n\u003cp\u003eZero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e up to 50mm (15mm compression required)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 65mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 65mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003eQuantity: \u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eThermal Conductivity:  \u003c\/strong\u003e0.038 W\/mK\u003cbr\u003e\u003cstrong\u003eR-Value:\u003c\/strong\u003e 2.47 m²K\/W\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Barrier is suitable for both vertical and horizontal positioning to the edge of cavities, around penetrations, at separating compartment lines and to sub-divide cavities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEuroclass A1 fire rating \u003c\/span\u003e\u003c\/strong\u003e\/ Tested and assessed for up to 60 minutes fire resistance (integrity and insulation) in accordance with BS 476: Part 20. \u003cbr\u003e\u003cstrong\u003eISO14001 \u003c\/strong\u003e- Environmental Management.\u003cbr\u003e\u003cstrong\u003eEN 13162\u003c\/strong\u003e - Manufactured in accordance with.\u003cbr\u003e\u003cstrong\u003eA+\u003c\/strong\u003e rating on BRE Green Guide\u003c\/p\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":40406838542494,"sku":"MAY\/MP552-6565","price":2.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/50mm_Mayplas_Masonry_Cavity_Barrier_MP552_CSS_65x65mm_-_per_length_Insulation_Merchant.jpg?v=1732114695"},{"product_id":"firezero-multi-sock-cavity-stop-tcb-white-1200mm-x-101-110mm","title":"Firezero Multi Sock Cavity Stop TCB (White) - 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1200mm x 131-140mm","description":"\u003cp\u003e\u003cstrong\u003eFirezero Multi Sock Cavity Stop TCB (Red)\u003c\/strong\u003e is designed to prevent fire penetration, aid the reduction of sound transmission and help maintain the thermal integrity of the insulation\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides integrity of the insulation requirements\u003c\/li\u003e\n\u003cli\u003eSuitable for all applications as brick, block or timber and steel frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits cavities of: \u003c\/strong\u003e131-140mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Barrier is suitable for both vertical and horizontal positioning to the edge of cavities, around penetrations, at separating compartment lines and to sub-divide cavities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBSI Quality Assurance Standard BS EN ISO 9001:2000 and Product Standard EN 13162\u003c\/li\u003e\n\u003cli\u003eAccredited with ISO 14001 and ISO 9001\u003c\/li\u003e\n\u003cli\u003eZero Ozone Depletion Potential and Zero Global Warming Potential\u003c\/li\u003e\n\u003cli\u003eCE marked\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Firezero","offers":[{"title":"Default Title","offer_id":40625024303262,"sku":"FZ\/MS-131","price":8.2,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/Firezero_Multi_Sock_Cavity_Stop_TCB_Red_-_1200mm_x_131-140mm_Insulation_Merchant.jpg?v=1737643907"},{"product_id":"envirograf-flexible-strip-cavity-barrier-2m-x-30mm-x-6mm","title":"ENVIROGRAF CV30\/6 Flexible Strip Cavity Barrier - 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Size: \u003c\/strong\u003e50\/60mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStrip barrier tested to BS476 parts 20, 22 and BS EN 1363-1 (1999), giving fire protection from 60 to 120 minutes.\u003c\/p\u003e","brand":"Envirograf","offers":[{"title":"Default Title","offer_id":41350691225758,"sku":"ENV\/CV30-26","price":25.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/files\/ENVIROGRAF_CV30_6_Flexible_Strip_Cavity_Barrier_-_2m_x_30mm_x_6mm_50-60mm_Gap_Insulation_Merchant.png?v=1737640959"},{"product_id":"85mm-mayplas-timber-frame-cavity-barrier-tcb-551-100x100mm-per-length","title":"85mm Mayplas Timber Frame Cavity Barrier TCB 551 (100x100mm) - per length","description":"\u003cp\u003e\u003cstrong\u003eTimber Frame Cavity Barrier 551\u003c\/strong\u003e has been designed to prevent the passage of fire through 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13162\u003c\/strong\u003e - Manufactured in accordance with.\u003cbr\u003e\u003cstrong\u003eA+\u003c\/strong\u003e rating on BRE Green Guide\u003c\/p\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":41490551537822,"sku":"MAY\/TCB551-100","price":6.26,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/85mm_Mayplas_Timber_Frame_Cavity_Barrier_TCB_551_100x100mm_-_per_length_Insulation_Merchant.png?v=1733503917"},{"product_id":"delta-ms-500-cavity-drain-membrane-2-4-x-20m","title":"Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m","description":"\u003cp\u003eDELTA MS 500 is a cavity drain membrane that is used for waterproofing on walls, floors and vaulted ceilings, above and below ground, in new construction or in existing buildings over a contaminated or damp background.\u003cbr\u003e\u003cbr\u003eDelta MS 500 is an 8mm studded profile High Density Polyethylene (HDPE) clear cavity drainage membrane suitable for use on the internal faces of walls and floors as a water control \u0026amp; drained management system for protection of sub-ground structures against potentially adverse effects of ground water ingress.\u003c\/p\u003e\n\u003cp\u003e- BBA Approved\u003cbr\u003e- Suitable for new, existing and retrofit basement projects\u003cbr\u003e- Flexibility to cope in structures where movement or vibration can be problematic\u003cbr\u003e- A “reversible” system, which will minimise damage to historical or heritage structures\u003cbr\u003e- Virgin high-density polyethylene studded\/moulded sheet (HDPE)\u003cbr\u003e- An effective barrier to the transmission of salts, liquid water and water vapour\u003cbr\u003e- Resistant to chemicals, root penetration, rot proof, neutral towards drinking water\u003cbr\u003e- Suitable for Flood Resilience\u003cbr\u003e- Resistant to Carbon Dioxide, Radon and 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\u003cstrong\u003eDrainage Capacity Per Meter:\u003c\/strong\u003e 2.25 L\/S M²\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003cbr\u003e\u003c\/strong\u003eIt can support a dry lining, screed or flooring, in the following situations:\u003cbr data-mce-fragment=\"1\"\u003e- on damp walls and floors in underground situations subject to high groundwater levels, and perennial moisture\u003cbr data-mce-fragment=\"1\"\u003e- on vaulted ceilings of archways or cellars subject to water ingress\u003cbr data-mce-fragment=\"1\"\u003e- in conjunction with a remedial DPC system where the walls and floors have a high salt content, and\/or it is necessary to complete the installation immediately without allowing a period for initial drying\u003cbr data-mce-fragment=\"1\"\u003e- over walls and floors which have a friable or painted surface, are contaminated (eg with oil or mould), or have a high salt content\u003cbr data-mce-fragment=\"1\"\u003e- as a structural waterproofing membrane in areas subject to vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003cbr\u003e\u003c\/strong\u003e- Type C Drained Protection in accordance with BS 8102:2009\u003cbr data-mce-fragment=\"1\"\u003e- BBA Approved\u003cbr\u003e- EN13501-1 Class E\u003cbr\u003e- NBS Specification J40 (Clause 290) Flexible Sheet Tanking\/Damp proofing.\u003c\/p\u003e","brand":"Delta Membranes","offers":[{"title":"Default Title","offer_id":41517230784670,"sku":"DEL\/MS5-2420","price":1.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/Delta_MS_500_Cavity_Drain_Membrane_-_2.4_x_20m_Insulation_Merchant.jpg?v=1737045104"},{"product_id":"copy-of-delta-ms-500-cavity-drain-membrane-2-x-20m","title":"Delta MS 500 – Cavity Drain Membrane - 2 x 20m","description":"\u003cp\u003eDELTA MS 500 is a cavity drain membrane that is used for waterproofing on walls, floors and vaulted ceilings, above and below ground, in new construction or in existing buildings over a contaminated or damp background.\u003cbr\u003e\u003cbr\u003eDelta MS 500 is an 8mm studded profile High-Density Polyethylene (HDPE) clear cavity drainage membrane suitable for use on the internal faces of walls and floors as a water control \u0026amp; drained management system for the protection of sub-ground structures against potentially adverse effects of groundwater ingress.\u003c\/p\u003e\n\u003cp\u003e- BBA Approved\u003cbr\u003e- Suitable for new, existing and retrofit basement projects\u003cbr\u003e- Flexibility to cope in structures where movement or vibration can be problematic\u003cbr\u003e- A “reversible” system, which will minimise damage to historical or heritage structures\u003cbr\u003e- Virgin high-density polyethylene studded\/moulded sheet (HDPE)\u003cbr\u003e- An effective barrier to the transmission of salts, liquid water and water vapour\u003cbr\u003e- Resistant to chemicals, root penetration, rot proof, neutral towards drinking water\u003cbr\u003e- Suitable for Flood Resilience\u003cbr\u003e- Resistant to Carbon Dioxide, Radon and Methane\u003c\/p\u003e\n\u003cp\u003e- \u003cstrong\u003eLength: \u003c\/strong\u003e20m\u003cbr\u003e- \u003cstrong\u003eWidth: \u003c\/strong\u003e2m\u003cbr\u003e- \u003cstrong\u003eThickness: \u003c\/strong\u003e0.5mm\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e- \u003cstrong\u003eStud Height: \u003c\/strong\u003e8mm\u003cbr\u003e- \u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Density Polyethylene (HDPE)\u003cbr\u003e- \u003cstrong\u003eCompressive Strength:\u003c\/strong\u003e \u0026gt;250 kN\/M²\u003cbr\u003e- \u003cstrong\u003eDrainage Capacity:\u003c\/strong\u003e (2.25 L\/S M) (135 L\/MIN M) (8 100 L\/H M)\u003cbr\u003e- \u003cstrong\u003eAir volume Between Studs:\u003c\/strong\u003e 5.3 L\/M²\u003cbr data-mce-fragment=\"1\"\u003e- \u003cstrong\u003eReaction to Fire:\u003c\/strong\u003e EN13501-1 Class E\u003cbr data-mce-fragment=\"1\"\u003e- \u003cstrong\u003eR-Value:\u003c\/strong\u003e 0.12 M² K\/W\u003cbr data-mce-fragment=\"1\"\u003e- \u003cstrong\u003eDrainage Capacity Per Meter:\u003c\/strong\u003e 2.25 L\/S M²\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003cbr\u003e\u003c\/strong\u003eIt can support a dry lining, screed or flooring, in the following situations:\u003cbr data-mce-fragment=\"1\"\u003e- on damp walls and floors in underground situations subject to high groundwater levels, and perennial moisture\u003cbr data-mce-fragment=\"1\"\u003e- on vaulted ceilings of archways or cellars subject to water ingress\u003cbr data-mce-fragment=\"1\"\u003e- in conjunction with a remedial DPC system where the walls and floors have a high salt content, and\/or it is necessary to complete the installation immediately without allowing a period for initial drying\u003cbr data-mce-fragment=\"1\"\u003e- over walls and floors which have a friable or painted surface, are contaminated (eg with oil or mould), or have a high salt content\u003cbr data-mce-fragment=\"1\"\u003e- as a structural waterproofing membrane in areas subject to vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003cbr\u003e\u003c\/strong\u003e- Type C Drained Protection in accordance with BS 8102:2009\u003cbr data-mce-fragment=\"1\"\u003e- BBA Approved\u003cbr\u003e- EN13501-1 Class E\u003cbr\u003e- NBS Specification J40 (Clause 290) Flexible Sheet Tanking\/Damp proofing.\u003c\/p\u003e","brand":"Delta Membranes","offers":[{"title":"Default Title","offer_id":41517872414878,"sku":"DEL\/MS5-220","price":1.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/Delta_MS_500_Cavity_Drain_Membrane_-_2_x_20m_Insulation_Merchant.jpg?v=1737044989"},{"product_id":"95mm-mayplas-masonry-cavity-barrier-mp552-80mm-cavity","title":"80mm Mayplas Masonry Cavity Stop Sock MP552","description":"\u003cp\u003e\u003cstrong\u003eMASONRY CAVITY STOP SOCK 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\u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMasonry Cavity Stop Sock 552 assists in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbook.\u003cbr\u003e\u003cbr\u003eThe product reduces flanking sound transmission at separating wall and floor junctions and complies with Robust Detail (Appendix A) as a “cavity stop”.\u003cbr\u003e\u003cbr\u003eSuitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":41522017304734,"sku":"MAY\/MP552-8095","price":5.75,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/80mm_Mayplas_Masonry_Cavity_Stop_Sock_MP552_Insulation_Merchant.jpg?v=1733498162"},{"product_id":"60mm-mayplas-timber-frame-cavity-barrier-tcb-551-75x90mm-per-length","title":"60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - per length","description":"\u003cp\u003e\u003cstrong\u003eTimber Frame Cavity Barrier 551\u003c\/strong\u003e has been designed to prevent the passage of fire through concealed voids within the external fabric of a timber frame building.\u003c\/p\u003e\n\u003cp\u003eEuroclass A1 non-combustible.\u003c\/p\u003e\n\u003cp\u003eFLEXI Edge ensures\u003cspan\u003e \u003c\/span\u003etight\u003cspan\u003e \u003c\/span\u003efriction fit.\u003c\/p\u003e\n\u003cp\u003eHigh-performing acoustic, thermal and fire protection properties.\u003c\/p\u003e\n\u003cp\u003eWill not slump, even if studs shrink.\u003c\/p\u003e\n\u003cp\u003eZero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e up to 60mm (15mm compression required)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 75mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 90mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003eQuantity: \u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eThermal Conductivity:  \u003c\/strong\u003e0.038 W\/mK\u003cbr\u003e\u003cstrong\u003eR-Value:\u003c\/strong\u003e 2.47 m²K\/W\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Barrier is suitable for both vertical and horizontal positioning to the edge of cavities, around penetrations, at separating compartment lines and to sub-divide cavities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEuroclass A1 fire rating \u003c\/span\u003e\u003c\/strong\u003e\/ Tested and assessed for up to 60 minutes fire resistance (integrity and insulation) in accordance with BS 476: Part 20. \u003cbr\u003e\u003cstrong\u003eISO14001 \u003c\/strong\u003e- Environmental Management.\u003cbr\u003e\u003cstrong\u003eEN 13162\u003c\/strong\u003e - Manufactured in accordance with.\u003cbr\u003e\u003cstrong\u003eA+\u003c\/strong\u003e rating on BRE Green Guide\u003c\/p\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":41555409797278,"sku":"MAY\/TCB551-75","price":10.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/60mm_Mayplas_Timber_Frame_Cavity_Barrier_TCB_551_75x90mm_-_per_length_Insulation_Merchant.png?v=1732202490"},{"product_id":"110mm-mayplas-masonry-cavity-stop-sock-mp552","title":"110mm Mayplas Masonry Cavity Stop Sock MP552","description":"\u003cp\u003e\u003cstrong\u003eMASONRY CAVITY STOP SOCK 552\u003c\/strong\u003e is designed to prevent the passage of fire through concealed voids within the external fabric of a masonry wall construction.\u003cbr\u003e\u003cbr\u003eThe polythene-enclosed rock fibre barrier is manufactured in bespoke sizes to suit the specified cavity width.\u003cbr\u003e\u003cbr\u003eThe barrier is held in place under compression between the inner blockwork and the outer masonry leaf.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e 110mm\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003ePhysical Thickness:\u003c\/strong\u003e 125mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 150mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003eQuantity: \u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMasonry Cavity Stop Sock 552 assists in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbook.\u003cbr\u003e\u003cbr\u003eThe product reduces flanking sound transmission at separating wall and floor junctions and complies with Robust Detail 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barrier is manufactured in bespoke sizes to suit the specified cavity width.\u003cbr\u003e\u003cbr\u003eThe barrier is held in place under compression between the inner blockwork and the outer masonry leaf.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e100mm Masonry Cavity\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e 100mm\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003ePhysical Thickness:\u003c\/strong\u003e 115mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 100mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003eQuantity: \u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMasonry Cavity Stop Sock 552 assists in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbook.\u003cbr\u003e\u003cbr\u003eThe product reduces flanking sound transmission at separating wall and floor junctions and complies with Robust Detail (Appendix A) as a “cavity stop”.\u003cbr\u003e\u003cbr\u003eSuitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":41611471454366,"sku":"MAY\/MP552-115100","price":6.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/Mayplas_Masonry_Cavity_Stop_Sock_MP552_Insulation_Merchant.jpg?v=1729871619"},{"product_id":"150mm-mayplas-masonry-cavity-stop-sock-mp552","title":"150mm Mayplas Masonry Cavity Stop Sock MP552","description":"\u003cp\u003e\u003cstrong\u003eMASONRY CAVITY STOP SOCK 552\u003c\/strong\u003e is designed to prevent the passage of fire through concealed voids within the external fabric of a masonry wall construction.\u003cbr\u003e\u003cbr\u003eThe polythene-enclosed rock fibre barrier is manufactured in bespoke sizes to suit the specified cavity width.\u003cbr\u003e\u003cbr\u003eThe barrier is held in place under compression between the inner blockwork and the outer masonry leaf.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFor Cavity Size:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e 150mm\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003ePhysical Thickness:\u003c\/strong\u003e 165 x 150mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 100mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 1200m\u003cbr\u003e\u003cstrong\u003eQuantity: \u003c\/strong\u003e1\u003cbr\u003e\u003cstrong\u003eFire Rating: \u003c\/strong\u003eA1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMasonry Cavity Stop Sock 552 assists in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbook.\u003cbr\u003e\u003cbr\u003eThe product reduces flanking sound transmission at separating wall and floor junctions and complies with Robust Detail (Appendix A) as a “cavity stop”.\u003cbr\u003e\u003cbr\u003eSuitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mayplas","offers":[{"title":"Default Title","offer_id":41684139049118,"sku":"MAY\/MP552-165150","price":6.86,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/products\/150mm_Mayplas_Masonry_Cavity_Stop_Sock_MP552_Insulation_Merchant.jpg?v=1730728539"},{"product_id":"envirograf-cv-flexible-strip-cavity-barrier-2m-x-30mm-x-4mm","title":"ENVIROGRAF CV30\/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap)","description":"\u003cp\u003e\u003cstrong\u003eENVIROGRAF Flexible Strip Cavity Barrier \u003c\/strong\u003eis a flexible, PVC and foil-clad intumescent strip with self-adhesive backing to adhere to 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Under heat the intumescent creates a fire seal, thus providing full fire protection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eProtects 30 - 45mm Cavity\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eProvides a minimum of 2 hours protection\u003c\/p\u003e\n\u003cp\u003eStrip barriers are ideal for modular buildings where space is limited, due to their small profile\u003c\/p\u003e\n\u003cp\u003eEasy to install with adhesive strip, but can be fixed down with screws or nails to provide additional fixing\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThickness: \u003c\/strong\u003e4mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e 30mm\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e 2 Linear Metres\u003cbr\u003e\u003cstrong\u003eGap Size: \u003c\/strong\u003e30\/45mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStrip barrier tested to BS476 parts 20, 22 and BS EN 1363-1 (1999), giving fire protection from 60 to 120 minutes.\u003c\/p\u003e","brand":"Envirograf","offers":[{"title":"Default Title","offer_id":41751739302046,"sku":"ENV\/CV30-24","price":19.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/files\/ENVIROGRAF_CV30_4_Flexible_Strip_Cavity_Barrier_-_2m_x_30mm_x_4mm_30-45mm_Gap_Insulation_Merchant.png?v=1737640880"},{"product_id":"envirograf-cv30-8-flexible-strip-cavity-barrier-2m-x-30mm-x-8mm","title":"ENVIROGRAF CV30\/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap)","description":"\u003cp\u003e\u003cstrong\u003eENVIROGRAF Flexible Strip Cavity Barrier \u003c\/strong\u003eis a flexible, PVC and foil-clad intumescent strip with self-adhesive backing to adhere to walls. Designed especially for timber frame buildings. High expansion intumescent locks against the external side of the internal wall in a fire without affecting the outer wall. Blue plastic sleeve robust enough to prevent damage by water or pests. 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