Installing Aluminum Siding Over Wood Siding

For aluminum siding only use aluminum nails.

Installing aluminum siding over wood siding.

In general 4d 1 1 2 inch nails will do the job. With other siding types fiber cement engineered wood etc. Add wood backing behind the aluminum for a place to nail onto or drill a hole in the aluminum and use a pop rivet to attach the two pieces of aluminum. This type of siding can be placed over some existing siding but most will not be good.

Removing existing siding and installing osb has several benefits such as having brand new substrate on the home and the ability to inspect the wall cavity and all framing insulation and structural integrity of the home before replacing siding. The nails should have 1 8 inch shanks heads at least 5 16 inch in diameter and be able to penetrate backing by at least 3 4 inch. Just like vinyl siding you ll need to ensure the siding surface is completely flat either by the old siding or by adding slats to the wall. Yes you can put vinyl siding over existing wood siding assuming its condition is still good.

On this particular job the home already had aluminum siding. Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. Feirer the bonus of installing vinyl into wood siding is that you can simply hammer the nails into the existing surface. The manufacturers specifically say that to install their product over existing siding is to void the warranty.

The client had a tight budget and just wanted to patch in new siding to match the existing siding. Typically aluminum is not used anymore to reside residential homes so the siding needed to be special ordered. A current trend in home remodeling is doing away with wood siding and installing vinyl siding on the exterior of homes. Any imperfections in the wall will almost always show up in the siding.

Installing vinyl siding over wood siding. One major stipulation with the james hardie siding warranty is that it specifically states that if. When nailing aluminum panels place the nails in the middle of the nailing slots and do not drive them in all the way. It s no wonder why.