Roof Valley Pointing Mix
The three methods to shingle a roof valley.
Roof valley pointing mix. We encourage retail customers to use our click deliver or drive collect service. What mortar mix should i use to repair replace the crumbling stuff. Roof leaks and excess moisture are two common signs that the pointing is failing. If we re talking about common roofing jobs like pointing a chimney laying ridge tiles or flaunching the top of a chimney i would recommend a 3.
The pointing is responsible for holding roof tiles in place. After about a year the pointing from one of the valleys fell out. I have loose mortar to two valleys either side of a gable built as an extension eight years ago. Great for brickwork chimneys or roof details like flashings.
I had it repointed but it fell out again after another year. This is a beginners guide to pointing up. 1 mix 3 parts sand to one cement. Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
How much cement in a roof mortar mix. Covid 19 update to customers our metropolitan melbourne stores will remain open for trade customers only. Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater. As the cement mortar or flexible compound breaks down or cracks water can reach the inside of the roof.
This recommendation includes iko s premium shingles. 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. If the pointing is worn or damaged the roof tiles may loosen. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.
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. I had it repointed again in october 2014 and it has fallen out again from under the roof tiles. The original roof ridges and pointing built 1990 are fine but the pointing in the more recent valleys is crumbling and falling into gutters. Check out our range of roof tile pointing products at your local bunnings warehouse.
Visit us today for the widest range of cement products products. I suspect it has never been done properly each of the 3 times it has been pointed.