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bacdef 07-28-2008 01:56 PM

Vinyl siding - Starter strip height
Hello DIY forums !
This is my first post here!

I am installing vinyl siding on my house and I am unsure about a detail that seems critical to me.

I know that the siding must cover the foundation edge where it meets the walls in order to help prevent water infiltration, but by how much ? The product installation manual ( ) was no help as it only states to "determine the best height for the starter strip" without offering any metrics to do so.

I have 30% of the house done right now and I do not dare continue for fear of having to start over.

The siding that I have installed clears the foundation top by 3/4 inch.

Am I in trouble ? :whistling2:

Edit : "clears the foundation top by 3/4 inch" means the siding covers the foundation top, overlaping it by 3/4 inch.

Termite 07-28-2008 04:28 PM

3/4" isn't much, but there's no code requirement other than to overlap to prevent water infiltration. You should contact the manufacturer to make sure there isn't a proprietary requirement.

I'd aim for a couple inches personally, but I don't think 3/4" will kill you. Some caulk might be a good idea between the foundation and the starter strip, because water can find its way in places.

buletbob 07-28-2008 04:31 PM

your fine with 3/4" as long as the foundation does not stick out, then you will have to pad the starter out. BOB

bacdef 07-28-2008 11:09 PM

Thank you both for your input.

I'll sleep on it and re-evaluate tomorrow.

buletbob 07-29-2008 06:59 AM

I would say no more then 1" And no less then 1/2" anything more or less your looking for trouble. I have done plenty of repairs where the siding companies lower the starter so low that it, it's self is just hanging from the nails with no back support other then the sheathing that's just behind the nailing hem. the first coarse of siding always gets unfastened from the starter. then sticks out and usually gets damaged.
the starter it self is only 2-5/8" tuss not giving you much to extend past the foundation and still keep its ridge ability. BOB

bacdef 08-06-2008 09:40 PM

When I reply to forum posts with advice I like the people who asked for it to come back and tell me how things went, so here is a bit of reciprocation.

I went ahead and moved the siding down a notch.

To tell the truth it was long, tedious, wasteful and heartbreaking but it is done. I'm pretty sure this was the right thing to do. The worst was undoing my hard work and wasting quite a bit of good siding material. Mending the TyPar was also quite time consuming.

I'm doing this on my own so all-in-all it took 2 days for the teardown and 4 more days to get back to where I was.

Thanks buletbob and thekctermite, your advice is appreciated !

buletbob 08-06-2008 09:53 PM

sorry for the extra work, but it will be well worth it. BOB

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