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We have a crawl space under our house and the wire mesh covering the vents is shredded. I want to keep the animals out and would like some ideas on the best way to do it.

Dimensions of the old crawl space vent

I was planning to replace the wire mesh that is currently there with new mesh (1/8") but it is difficult to get access to the back of the vent from inside the crawl space. Also the old mesh is difficult to remove and that makes attaching new mesh hard.

There are some commercially available vents but none that seem to fit.

I had thought to create a wire mesh plug for each of the 3.75” x 5.25” holes (they are about 0.5” deep) but I am low on ideas for how to create a frame and attach it (I would like it to be replaceable for the next time the mesh is damaged).

Any ideas gratefully received.

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enter image description hereYou can purchase stamped louvered foundation vents and attach with (stainless) screws and wall anchors or make a frame with window screen frame parts and mesh and attach in similar fashion but with swivel screen clips. The open screen has a higher air flow rate than the louvered vent.

  • I had hoped to keep the vent behind the level of the stucco but the stamped louvers may be the route I take. I like the window screen frame idea too though. I thought about it but assumed I could only use that with the plastic mesh which wouldn't keep the critters out over the long run. – user3665624 Mar 14 '18 at 18:02
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    There is a wire mesh that works with the heavier duty frames and thinner screen spline. I'll try to take a picture and send later. Also, you could place the screen level/plumb in front of the opening and patch/even out the stucco around it. Make sure to spray frame with WD40 so stucco does not adhere to it. Use something 1/16" thick to score the stucco around the perimeter and have a small gap to remove/replace the frame. If you are really particular make a temporary frame, stucco patch etc. Remove temporary frame and make slightly smaller frame with mesh. – Bernard Mar 14 '18 at 20:58

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