23/118-128 Karimbla Rd, Miranda NSW 2228 | Roofing Licence No.: 219053c

Several Common Roofers’ Mistakes

A top quality roof is established when qualitative shingles are along with the correct installation. Within the last weeks we showed you probably the most frequent mistakes by roofers. After a few years, these mistakes could cause some serious roofing problems.

●Using plenty of bituminous mastic
Using way too much bituminous mastic or roofing cement could cause blistering. The usage mastic that will be not appropriate for bituminous shingles also can result in blistering.

● Incorrect sealing of penetrations
The majority of residential roofs have soil stacks that want proper sealing. Apply shingles up into the vent pipe and cut an opening when you look at the shingle this is certainly set throughout the pipe. Set the vent flange throughout the pipe – flat on top – in asphalt cement which has been evenly applied throughout the bottom shingle. The top the flange must certainly be covered using the next row of shingles. Understand that using an excessive quantity of plastic cement could potentially cause blistering.

● Insufficient securing of valley
Roof valleys will be the places on a roof which can be most in danger of leaks since they handle a sizeable level of run-off water.. It causes leaks. Get rid of the short pieces through the valley and install the full shingle or piece with appropriate length

● Leaving out the starter strip
The incorrect-installed starter strip (or worse, the lack of the starter shingle) brings many problems. Your infiltration becomes risky when you look at the eaves and shingles through the initial row can be blown off. It may cause aesthetical failures. If you should be missing the starter strip, you will need to slide a unique piece beneath the shingles regarding the first course. This particular latest starter strip ought to be protected with nails and glued with bituminous mastic. Shingles and starter strips in the eaves should always be glued and protected against wind blow off.

● Wrong shingle overhangs at the eaves
Half of the shingles should overhang the eaves around 6 mm and 10 mm. More shingles overhang could cause the shingles to be blown off in high winds and fewer overhangs makes it possible for water to seep into wooden structure. You will need to build up and slide in a unique drip edge flashing to guard the wooden deck against driven water. Constantly protect the added metal flashing and shingles with Shingle Stick.

● Reusing old flashing
When replacing an roof that is existing the old flashing may look serviceable, but there is however always the chance that it was punctured or damaged. New flashing’s are a component that is small the expense of a roof replacement. Always install flashing’s that are new. If they’re without any exposed holes consequently they are not damaged, aluminium and copper flashing’s are not required to improve. All others should always be replaced.

● Improper flashing installation
Metal flashing’s should be put around chimneys, skylights plus in valleys or near to wall. Chimney flashing’s prevent leaks all over chimney and must be placed always under the shingles. Side wall flashing’s or step flashing’s must definitely be covered with appropriate counter flashing’s. When flashing’s are poorly installed, pop the nails up and slide a unique flashing beneath the shingles

Avoid all the common mistakes by putting your trust in Sanders Roofing for all your roofing needs.Sanders Roofing provides you with the expert roofing installations, repairs, maintenance and renovations you are looking for. With the ability to help you with guttering, down pipes and even whirly birds, you will be able to get the help you need with the best Roofing Sydney has to offer. Get in touch with us now!