I plan on replacing the lp siding on the front of the house with hardi planking and adding hardi planking over the existing t111 on the remaining three sides of the home.
Lp smartside over existing siding.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
We had hoped to use 1 5 to 2 inches of eps rigid foam to the exterior of the sheathing then 3 4 inch x 4 inch plywood furring strips then lp smartside lap siding.
There are some additional considerations to note.
Lp smartside siding and trim may be installed over pre existing wood or wood composite siding if the pre existing siding does not affect the ability to correctly install lp smartside siding as detailed in lp smartside application instructions.
The james hardie manual actually agrees that current siding works fine for a substrate but only if it s in acceptable.
Contractors watch this video to learn about the advantages of using lp smartside trim siding products and how to install them.
Featured how to install lp smartside trim siding.
2 should i add a moisture barrier over the existing t111 siding for the other three sides of.
Lp smartside is the new high end siding of choice here in minnesota.
We re building a new home sw virginia with 2x6 studs on 24 inch centers.
We knew we had to use the 76 series smartside product for the 24 inch centers.
Using existing siding for replacing siding the best place to start is to closely examine the existing siding to get a good understanding of what condition it is actually in.
Colonial beaded which is an authentic american style of siding with drip lines that cast crisp shadows and comes in a smooth or sequoia texture.
And two types of bold profile siding which has a shiplap edge appearance.
It used to be stucco but moisture intrusion problems with stucco siding made many high end home builders start using james.
The lap siding includes a cedar texture which has the appearance of cedar wood.
Then i discovered that lp s installation instructions specify 1 5 inch x.
Keeping your existing siding.
According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped bowed curling delaminated or rotting.
A code approved breathable water resistive barrier.
In this video we watch the professionals at lindus construction.
That said this is where you want to start when deciding if you should keep it.
Why siding over existing siding is a bad move yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may bite you down the road.
1 should i include a moisture barrier over the existing felt for the front of the home prior to hardiplank install.