I suspect it has never been done properly each of the 3 times it has been pointed.
Pointing a roof valley.
Roofbond flexible pointing is an acrylic compound applied using a pointing trowel and is surface dry in 4 5 hours.
This video shows how to repoint a lead roof valley.
Check out our range of roof tile pointing products at your local bunnings warehouse.
I had it repointed again in october 2014 and it has fallen out again from under the roof tiles.
Roof valleys can be just that a dip in the quality of your roof even if the rest of it is strong and has excellent u values.
I recommend maintain u valleys as much as possible and making sure that the right materials are used to account for weathering which might occur based on the shape and location of the valleys.
The correct mix ratio is 3 parts sand to 1 part cement this is much stronger than bricklayers use 5 1 as the cement on the roof must withstand more driving rain than a typic.
By the way movement can cause pointing to fail.
Tie your ladder s in and use a roof ladder s.
This is how i cement roof tiles pointing the verge in with two coats of cement the cement i use has black dye mix in it to help match the roof tiles in colo.
The original roof ridges and pointing built 1990 are fine but the pointing in the more recent valleys is crumbling and falling into gutters.
Roof re bedding roof re bedding a tiled roof re bedding a hip cement repairs to ridge capping re pointing only minor repairs and full pointing the bedding or cement work under most of the ridge capping gables and valley may still be quite hard and not need to be pulled up.
After about a year the pointing from one of the valleys fell out.
Flexible pointing ridgeway carry flexible pointing in a range of popular colours designed to point ridge caps on concrete and terracotta roof tiles.
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I have loose mortar to two valleys either side of a gable built as an extension eight years ago.
We encourage retail customers to use our click.
To keep a neat line use a strip of masking tape on the lead.
I had my roof retiled about 6 years ago.
Available in a 15 litre tub.
Visit us today for the widest range of cement products products.
The valley pointing can be gentlly eased out and a pva solution can be neatly painted in next point up with a 3 1 or 5 1 s c.
Never try and work on a roof from a ladder as a.
A scaffold tower has been used for access in this video.