New Roofing – Overlay or Tear Off

One other Leak!!! You have bought pans within the ground, balanced in your furnishings and the climate man says it isn’t going to let up. You are going to have days of catching the drips and emptying the pans. You cringe as you watch your children drag their canine on a towel to mop up a few of the drips and simply slide previous the pan on the kitchen ground!

Time to Repair this Roof Drawback As soon as and For All!!!

BUT… how do you repair the issue? Do you’ve the present roof shingles torn off and changed? Or do you’ve a brand new roof overlaid on prime of the previous roof?

Overlays can prevent the roofer’s time, lower down on the labor, and you will not have any shingles to get rid of or pay the roofer to do it for you.

However take into account this…

Your present roof ought to solely be one layer with a view to lay flat throughout your entire roof of your own home. Your roof might sag in some components of the roof which might imply you most likely ought to have your roofer put in additional assist beams. Whether it is sagging now, the following layer on prime will simply add extra weight and trigger it to sag extra between the assist beams. That may absolutely trigger extra stress on the roof and trigger the shingles to separate one from the opposite and guess what… one other leak. If in case you have not checked, it is advisable to guarantee there aren’t different issues with the roofing deck. In case your roof meets all of those necessities, then an overlay may very well be your greatest reply roofing company san diego.

Whichever technique you utilize, overlay or tear off, verify for correct air flow in your attic. Constant placement of soffit and ridge vents present most cross air flow.

Test Checklist

Here is a verify listing that will help you decide if an entire tear off of your present roofing system needs to be thought-about.

Too Many Layers

Test to see what number of current roofing layers there are. You must solely have one layer earlier than including one other roofing layer to it. If you have already got two or extra layers, all layers should be eliminated earlier than making use of your new roofing materials. It is a code requirement in most places and constructing codes not often settle for greater than two layers. Your native division of constructing inspectors will likely be blissful to offer the necessities for the code to your compliance.

Dangerous Decking

If you stroll throughout your roof, spongy or bouncy areas or sag between the rafters or trusses point out that you could have deteriorating roof deck or injury. Injury could also be from dry rot which is wooden rot from sorts of fungi; and if not eliminated, will unfold to different wood areas. Test for de-lamination of the plywood on account of glue failure. With unhealthy decking, tearing off your entire roof is critical. It’s less expensive to interchange the unhealthy decking now than to have to interchange the deck and the roofing materials a number of years from now. If unhealthy decking is identified earlier than the roofing work begins, you’ll not have a guaranty in your new roof.

Poor Situation of Present Roof

If the present roofing tabs present indicators of sporting out by curling on the sting or look like crooked of their placement, these irregularities will ultimately present via the brand new layer of roofing materials. It might look okay when first finished however as the brand new shingles quiet down on the previous irregular roofing, the brand new materials will tackle these identical ridges and sag. To stop this, an entire tear-off and substitute is advisable.

Life Span

Whereas it has not been documented, skilled in roofing agree that an overlaid roof could have a shorter lifespan. The shingles of an overlay will likely be have a shortened lifespan of 10% and possibly as a lot as 20%.

Incompatible Shingles

Heavy architectural shingles can be utilized to cowl a lighter strip shingle resembling Three-tabs will present a handsome roof. However by no means use a lighter weight shingle to attempt to cowl a heavy shingle, It is going to present all of the bumps and ridges from the older roof and can look of poor high quality.

Ice Dams

It is enjoyable to see the icicles coming down from the eaves. All of them type in another way and appear to be they’d be so chilly. However ice dams coming out of your roof can carry one other downside to the integrity of your roofing. The place the common winter temperature may be hovering round freezing or under 30° F, there are not any ice and water protecting membranes, a full roof tear off is your greatest assure. Twenty yr previous roofs might present no signal of ice and water safety or present indicators of any prior issues. However they’re topic to having many price of harm if an uncommon chilly entrance blows via. Nowadays we have all seen our climate altering and a few of our winters giving us extra snow and chilly than we have seen earlier than.

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