How To Fix A Sagging Porch Floor

You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.

How to fix a sagging porch floor.

Depending on exactly what needs to be repaired and the scale of the damage the cost to fix a floor sagging from water damage can cost between 2 000 and 6 000. This causes floors to sag. Over time old school wooden pier style supports rot out or sink giving. So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying.

Water from a leak flooding or waterproofing problems can rot subfloors floors and damage joists. Things to consider with jack up a porch roof the prep. In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house. Thre ways to fix a sagging or sloping floor.

In this style framing the entire structure will sag in that area usually causing cracks in walls ceilings or doors rubbing their frame you will need a proper footing under the post jack because your lifting much more weight if your correcting a sagging interior floor in ether style framing locate the main support beam in that area the large. I guesstimate my deck is sloping a few inches over 12. Make sure the porch floor has a slight slope to it between 1 8 and per linear foot for tongue and groove floors. Fix the sagging deck the game plan.

With the sections joined sister the two to create a 20 foot length image 2 which will span the porch. Join two sections of 2x6 for the temporary beam. Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material sandwiching the member on either side with plywood is sometimes worthwhile but the plywood must be installed correctly for greatest strength. Decking with gaps doesn t require the watershed angle.

Repairs will involved drying out the wet area getting. If the porch is deeper than 8 use a slope closer to 1 8 per foot to avoid a pronounced slant if the porch floor isn t tongue and groove allow at least between new or replacement boards as you lay them to. On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. From what i ve read a deck without gaps in the flooring should slope about 1 4 over 12 to allow for watershed.

This is typically a result of poor foundation work or no foundation at all. Start by fastening temporary wood blocks to the rafter tails image 1.