A medium temperature smoke astragal seal. It is an astragal seal for use with plain or rebated meeting stiles on double doors. The aluminium trim cleanly conceals the sealing portion of the seal. If necessary the leg of the aluminium can be cut out (checked) to allow for any locks and latches. It is used where only one door leaf is active. The seal also improves security and when two are fitted (one on each leaf), noise infiltration is greatly reduced. Location Meeting stiles of double doors, butt hinged. Min/Max Gap 2.5mm/8mm. Seal Sizes Available in stock lengths. Maximum length 3000mm. Standard Finish Anodised Satin Clear or Bronze, PE Paint (extra cost). Is a two pack polyester enamel colour match finish which is equal to or exceeds powdercoat finish. Fixing Method Zinc plated, countersunk, cross recess head S.T. screws of the appropriate size and colour are supplied. Seal can be rebated or face mounted. Seal Material Silicon Rubber (SE) (charcoal). Replacement Seal RP316Si. Approvals Smoke AUS/NZ: Conforms to BCA Spec. C3.4. UK/EU: Conforms to Approved Document B. Acoustic AUS/NZ:Conforms to BCA Sect. F5. Tested to AS 1191, AS 1045, AS/NZS 1276. UK/EU: Conforms to Approved Document E. Tested to BS EN ISO 140.3 (similar to BS EN ISO 717.1, BS 2750, BS 5821).