In these circumstances it may be possible to just leave the existing valley base in place and replace only the cement.
Repointing roof valley.
Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater.
Category general diy videos tags re point lead valley lead roof valley.
Replace a section of roof valley 4 metres roof valleys transfer water from the roof to the gutters and they hold a significant amount of water when it rains.
Unless the damage is minor the usual remedy is to replace the entire valley from.
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.
Needless to say a roof leak in a valley can lead to litres and litres of water entering the property.
By admin 4 years ago 1 817 views.
Here are two before and after photos of a valley with newly laid.
This is called roof re pointing.
How to repair a crack in a wall.
Repointing is basically a waste of time money what you should do is take out all the cement and re bed the tiles if done properly should last at least ten yrs.
This video shows how to re point the lead valley on a tiled roof safely using fibre reinforced mortar.
There are occasions when a roof valley is in good condition but the cement holding the tiles in place has washed out or crumbled.
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.
The only material that will seal your valley is a good quality cement if you want it to leak by all means use expanding foam.
A roof valley is very prone to leaks especially if you have an older roof.