Get Up to 40% OFF New-Season StylesMenWomen * Limited time only.

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. STEP 2 Lap the roof underlay over the top of the EPDM membrane and re-attach the tile battens. STEP 3 The top of the EPDM membrane must be at least 300...

Read more...

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, this can be done using an air blower or dusting brush STEP 2 Once the membrane has been bonded vertically up the wall using contact adhesive install the...

Read more...

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 least 3 and 1 ratio with added PVA adhesive for extra strength. Note: EPDM expands in hot weather and can crack weak mortar.

Read more...

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 and fit the termination bar over the top using self sealing screws to create a compression seal. STEP 4 Remove any excess membrane using a craft knife and seal off the...

Read more...

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 same thickness as the plastic of the drain flange this will allow the drain to sit flush with the roof surface prior to application of the flashing tape STEP...

Read more...

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 into the sealant STEP 3 Fix drain into position using either countersunk screws or clout nails. STEP 4 Mark 70 mm either side of the drain using a white pencil or scribe. STEP...

Read more...

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 EPDM Primer and thoroughly stir. Apply the EPDM primer using a paint brush to all internal surfaces of the pipe box pocket, membrane and pipe/ penetration. STEP 4 Wait approximately 5 minutes (depending...

Read more...

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 and second band and tighten. Mark around the bottom of the pipe flashing using a pencil or scribe. STEP 2 Pull the pipe flashing up and apply EPDM primer...

Read more...

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 the 229 mm flashing tape to exactly this length and then shape the bottom external corners of the tape to give an aesthetically pleasing finish. STEP 3 Carefully open the...

Read more...

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 mark around with a scribe or pencil. STEP 4 Firstly check primer is fully tacked off. Fold the pig's ear back and push into the corner, then using a scrubbing pad...

Read more...