DCLG's ADVICE for BUILDING OWNERS
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DCLG’s ADVICE FOR BUILDING OWNERS Table setting out results of DCLG’s advice for building owners on large scale wall system testing with various types of cladding materials Hyperlink to test Product Tested results Results Expert Panel recommendations TEST 1: ACM PANELS WITH AN UNMODIFIED Test 1 Fail Put in place a plan to review the cladding system and undertake POLYETHYLENE CORE AND A RIGID remedial work, in particular to remove cladding. POLYISOCYANURATE FOAM Take professional advice on how to undertake remedial work safely (for example from an expert in cladding systems with relevant experience), and to ensure replacement materials are safe. An obvious option to ensure that the cladding system adequately resists external fire spread, is to replace the system with one where all of the elements of the wall are of limited combustibility. For example, a wall system which includes an ACM panel with limited combustibility filler (category 1) and limited combustibility insulation such as mineral wool. TEST 2: ACM WITH UNMODIFIED Test 2 Fail See test 1. POLYETHYLENE FILLER (CATEGORY 3 IN SCREENING TESTS) WITH STONE WALL INSULATION TEST 3: ACM PANELS WITH A FIRE RETARDANT Test 3 Fail Take full professional advice on whether any remedial work POLYETHYLENE CORE AND A PIR FOAM is necessary to ensure the safety of their building. This may INSULATION need to consider the combination of materials used in the cladding system, as well as whether the construction of their building meets the other provisions of Building Regulations guidance including fire stopping between floors and the required cavity barriers in place. TEST 4: ACM CLADDING WITH A FIRE RESISTANT Test 4 Pass Take professional advice on whether any remedial work is POLYETHYLENE FILLER (CATEGORY 2 IN necessary to ensure the safety of their building. This may SCREENING TESTS) AND STONE WOOL need to consider whether the construction of their building meets the INSULATION (A FORM OF MINERAL WOOL) other provisions of Building Regulations guidance including fire stopping between floors and the required cavity barriers in place. TEST 5: ACM PANELS WITH A LIMITED Test 5 Pass See test 4. COMBUSTIBILITY FILLER WITH PIR FOAM INSULATION 1 TEST 6: ACM CLADDING WITH A LIMITED Test 6 Pass Confirm that all relevant elements of the wall system are of limited COMBUSTIBILITY FILLER (CATEGORY 1 IN combustibility and have been fitted appropriately. This should include SCREENING TESTS) WITH STONE WOOL seeking professional advice if necessary. INSULATION TEST 7: ACM WITH A FIRE RETARDANT FILLER Test 7 Fail See test 3. 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