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EPDM RUBBER ROOFING TRAINING HUB

ROOF SURFACE PREPARATION

The prepared roof surface must be clean, dry, free from dust, and contaminants (bitumen, oil etc). Do not attempt to install EPDM on a damp or wet surface as the trapped water may vaporize causing damage to the roof sub-structure. When applying banding adhesive to the roof deck in temperatures below 5 degrees Celsius, condensation [...]

INSTALLING THE FLEXI PROOF EPDM MEMBRANE

STEP 1 Unroll the FlexiProof EPDM membrane over the substrate so that the sheet is in the desired position and allow to relax for 1 - 2 hours until the transportation creases have dropped out (Please Note: During colder months keeping the membrane stored at room temperature will help speed up the relaxation time also [...]

BUTT JOINING EPDM MEMBRANE WITH 152MM COVER STRIP

STEP 1 Draw a line 90 mm each side of the membrane join with a pencil or scribe using a straight edge as a guide. Keeping within the lines apply EPDM primer with a scrubbing pad. STEP 2 Once the primer is touch dry, carefully align the tape along the join and progressively remove the [...]

INTERNAL CORNER DETAIL

STEP 1 Form the membrane into a 45 degree (pig’s ear) shape where the membrane meets in the internal corner. STEP 2 Cut the pig’s ear vertically 80 mm out from the flat roof corner STEP 3 Cut a patch of 229 mm flashing tape 160 mm wide and offer over the pig’s ear and [...]

EXTERNAL CORNER PATCH

STEP 1 Ensure that the membrane around the external corner is clean, dry and free from dust or debris. Using a pencil, mark a small vertical line 60 mm from each edge of the cut membrane. STEP 2 Measure the distance between the 2 pencil lines being careful to measure accurately around the corner. Cut [...]

PIPES THROUGH THE MEMBRANE – PIPE FLASHING

STEP 1 Pull the pipe flashing firmly over the top of the pipe. Locate the ribbed band directly above the top of the pipe and cut along the top edge. Pull the pipe flashing down into its final position so that the underside tape sits on the membrane. Place the jubilee clip between the first [...]

PIPES THROUGH THE MEMBRANE – PIPE BOX POCKET

STEP 1 Ensure that the membrane around the pipe/penetration is clean, dry and free from dust or debris. Apply EPDM edge sealant where the pipe box pocket will be located. STEP 2 Clip the pipe box pocket together around the pipe/penetration and carefully lower onto the lap sealant. STEP 3 Carefully open the tub of [...]

INSTALLING A WALL DRAIN

STEP 1 Offer the wall drain into the pre-cut hole in your parapet wall and mark around using a white pencil or scribe STEP 2 Remove the wall drain and apply a thin bead of lap edge sealant behind the drain. Once the sealant is fully applied push the drain back into position to bed [...]

INSTALLING THE 68MM – 110MM ROOF DECK DRAINS

STEP 1 Cut down the roof drain leaving a 50 mm equal flange the whole way around, drop the roof drain into the preformed hole. STEP 2 Fix the roof drain down onto the roof deck using countersunk screws. Note: if you channel out a section underneath the roof drain in the timber deck the [...]

USING TERMINATION BARS TO JOIN TO OTHER ROOFS

STEP 1 Overlap the FlexiProof EPDM membrane onto the adjoining flat roof system by 60 mm. STEP 2 Lift up the FlexiProof EPDM membrane to expose the adjoining roof system and apply a thick bead of water block mastic the length or the overlap. STEP 3 Flap the FlexiProof membrane onto the water block mastic [...]

COPING STONE DETAIL

STEP 1 With the coping stone removed, bond the membrane over the parapet wall leaving a 30 mm gap from the external wall face, seal the membrane edge onto a bead of water block mastic STEP 2 Bed the coping stones over the parapet wall using a tough sand and cement mortar mix of at [...]

FITTING WALL TRIMS AND LEAD FLASHING

STEP 1 Before installing the EPDM membrane make sure the mortar is chased out of the joint to allow installation of the lead flashing or wall trim. Doing this first allows removal of the dust and protects the membrane from damage. Make sure all dust is cleaned out of the newly chased out mortar line, [...]

PITCHED ROOF SLOPES ONTO THE FLAT ROOF

STEP 1 Carefully strip 3 courses of tiles from the adjoining roof and remove the roofing battens. Carefully lift the existing pitched roof underlay and apply contact adhesives to the back of the EPDM membrane and to the roof lay board. Once the contact adhesive has tacked off stick the EPDM membrane to the layboard. [...]

ROOF SURFACE PREPARATION

The prepared roof surface must be clean, dry, free from dust, and contaminants (bitumen, oil etc). Do not attempt to install EPDM on a damp or wet surface as the trapped water may vaporize causing damage to the roof sub-structure. When applying banding adhesive to the roof deck in temperatures below 5 degrees Celsius, condensation [...]

INSTALLING THE FLEXI PROOF EPDM MEMBRANE

STEP 1 Unroll the FlexiProof EPDM membrane over the substrate so that the sheet is in the desired position. Carefully open the tub of deck adhesive and stir. Using a medium pile roller on a pole apply the deck adhesive evenly to the main area of roof deck paying attention to leave a 150 mm [...]

BUTT JOINING EPDM MEMBRANE WITH 152MM COVER STRIP

STEP 1 Draw a line 90 mm each side of the membrane join with a pencil or scribe using a straight edge as a guide. Keeping within the lines apply EPDM primer with a scrubbing pad. STEP 2 Once the primer is touch dry, carefully align the tape along the join and progressively remove the [...]

INTERNAL CORNER DETAIL

STEP 1 Form the membrane into a 45 degree (pig’s ear) shape where the membrane meets in the internal corner. STEP 2 Cut the pig’s ear vertically 80 mm out from the flat roof corner STEP 3 Cut a patch of 229 mm flashing tape 160 mm wide and offer over the pig’s ear and [...]

EXTERNAL CORNER PATCH

STEP 1 Ensure that the membrane around the external corner is clean, dry and free from dust or debris. Using a pencil, mark a small vertical line 60 mm from each edge of the cut membrane. STEP 2 Measure the distance between the 2 pencil lines being careful to measure accurately around the corner. Cut [...]

PIPES THROUGH THE MEMBRANE – PIPE FLASHING

STEP 1 Pull the pipe flashing firmly over the top of the pipe. Locate the ribbed band directly above the top of the pipe and cut along the top edge. Pull the pipe flashing down into its final position so that the underside tape sits on the membrane. Place the jubilee clip between the first [...]

PIPES THROUGH THE MEMBRANE – PIPE BOX POCKET

STEP 1 Ensure that the membrane around the pipe/penetration is clean, dry and free from dust or debris. Apply EPDM edge sealant where the pipe box pocket will be located. STEP 2 Clip the pipe box pocket together around the pipe/penetration and carefully lower onto the lap sealant. STEP 3 Carefully open the tub of [...]

INSTALLING A WALL DRAIN

STEP 1 Offer the wall drain into the pre-cut hole in your parapet wall and mark around using a white pencil or scribe STEP 2 Remove the wall drain and apply a thin bead of lap edge sealant behind the drain. Once the sealant is fully applied push the drain back into position to bed [...]

INSTALLING THE 68MM – 110MM ROOF DECK DRAINS

STEP 1 Cut down the roof drain leaving a 50 mm equal flange the whole way around, drop the roof drain into the preformed hole. STEP 2 Fix the roof drain down onto the roof deck using countersunk screws. Note: if you channel out a section underneath the roof drain in the timber deck the [...]

USING TERMINATION BARS TO JOIN TO OTHER ROOFS

STEP 1 Overlap the FlexiProof EPDM membrane onto the adjoining flat roof system by 50 mm. STEP 2 Lift up the FlexiProof EPDM membrane to expose the adjoining roof system and apply a thick bead of water block mastic the length or the overlap. STEP 3 Flap the FlexiProof membrane onto the water block mastic [...]

COPING STONE DETAIL

STEP 1 With the coping stone removed, bond the membrane over the parapet wall leaving a 30 mm gap from the external wall face, seal the membrane edge onto a bead of water block mastic STEP 2 Bed the coping stones over the parapet wall using a tough sand and cement mortar mix of at [...]

FITTING WALL TRIMS AND LEAD FLASHING

STEP 1 Before installing the EPDM membrane make sure the mortar is chased out of the joint to allow installation of the lead flashing or wall trim. Doing this first allows removal of the dust and protects the membrane from damage. Make sure all dust is cleaned out of the newly chased out mortar line, [...]

PITCHED ROOF SLOPES ONTO THE FLAT ROOF

STEP 1 Carefully strip 3 courses of tiles from the adjoining roof and remove the roofing battens. Carefully lift the existing pitched roof underlay and apply contact adhesives to the back of the EPDM membrane and to the roof lay board. Once the contact adhesive has tacked off stick the EPDM membrane to the layboard. [...]

PREPARING THE ROOF

Only carry out this installation on a dry day where temperatures are above freezing! Included in your Rubber Roof Shed Kit: EPDM RUBBER ROOF MEMBRANE TUB OF WBA DECK ADHESIVE 3" MINI ROLLER GLOVES STEP 1 Open the box and familiarise yourself with the products supplied. Please also read this installation guide through in its [...]

FIXING THE EPDM RUBBER ROOF MEMBRANE

STEP 1 Fold back half of the EPDM Rubber Roof Membrane onto itself to expose the timber deck underneath. Apply the WBA Deck Adhesive evenly over the roof deck with the Roller supplied. With the adhesive still wet, roll the membrane back into position using a soft broom to ensure no air is trapped underneath [...]