A medium temperature smoke astragal seal designed for plain or rebated meeting stiles of timber double doors where a centre latch bolt may be required, or where both double doors are active. The seal is achieved by a pair of silicon fins. Two seals are installed onto one door stile, allowing space for a latch between the seals. The aluminium leg of the seal can be cut out (checked) to accomodate the latch bolt front plate, thereby providing a continuous seal (minimum door thickness subject to centre latch and dimensions of morticed door bottom seals). Location Double broad butt hinged and centre pivot double acting doors. Min/Max Gap 3mm/ 5mm. Seal Sizes Available in stock lengths. Standard Finish Aluminium anodised 15 microns Satin Clear (silver), Bronze finish. 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, cross recess CSK S.T. screws of the appropriate size and colour are supplied. Fixing holes are pre drilled. Seal Material Silicon Rubber (SE) (Grey). Replacement Seal RP371Si. Approvals Smoke AUS/NZ: Conforms to BCA Spec. C3.4. UK/EU: Conforms to Approved Document B. Acoustic Refer to RP71.