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Relay a valley
One of our customers called to ask us to address a leak they had, they thought it was coming from the valley.
![]() STEP 1Once the customer called us, we immediately could see that this has a serious moss infiltration problem which affected the valleys' integrity. | ![]() STEP 2Once we started stripping the valley we could see the damage the moss had made. Note the battens position, the battens had been nailed through the valley trough. | ![]() STEP 3The misplacement of the batten had continued all the way to the ridgeline. |
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![]() STEP 4After stripping the old valley troughs out, we laid new breathable membrane, note that the new membrane needs to be tucked under the roofs felt, also, lay from bottom to top to overlap the membrane. | ![]() STEP 6New valley troughs installed, pinned at the edges to the new framework. Notice a small lip in the edge of the valley, use this lip to pin the valley, dont pin or attach the valley anywhere else or you will affect it's integrity. | ![]() STEP 5As opposed to the batten position in STEP 2, we need to create a frame for the new valley to reside. This also stops tiles kicking up as the battens are now at the same level. |
![]() STEP 7Now the valley framework has been repaired correctly and the new trough installed we can start relaying the tiles. | ![]() STEP 9Final job is to cement the new valley in, note how much wider the valley is now, and how much more efficient it will be at draining water. | ![]() STEP 8The tiles have been relayed and recut to the new valley width. Try and keep the tile lines straight. |
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