I used to keep birds, mice, young ones (but they soon grow), can get through 1" x 1/2" weldmesh, they squash down flat and shimy through. This rot can eventually cause the joists to become soft at the bearing ends, usually in or on the support walls, as these tend to be the coolest areas with the least air circulation.

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If your floor is creaking then it may be a sign that there is a problem with the joists, caused by condensation and rot. Introducing our range of air vent covers designed to provide maximum protection against unwanted rodent intrusion while maintaining optimal airflow for your property. Expertly crafted to fit all vent sizes, these covers ensure rodents stay out while letting the fresh air in. PestFix is owned and operated exclusively by the England family, with no external investors to please or remunerate. The two brothers behind the business, Dan & Matt England have the primary objective of putting you, the customer at the centre of their business, rather than banks or shareholders. It is our philosophy that you, the customer, always comes first. Fine grade stainless steel mesh with plastic surround. Can be either glued or screwed in place, available in Small (245 x 95mm), Medium (245 x 170mm) or Large (245 x 245mm). Also Effective against Masonry Bees However in the worst case scenario the moisture leads to dry rot, which will need specialist treatment to cure it.

However if the joist is soft and spongy, or so flaky that your screwdriver pushes into the timber easily, then the joist is rotten below the surface. Once this level of decay has set in, new timbers need to be fitted. Our group have been in the mesh industry for over 150 years. We are one of the UK’s most trusted mesh suppliers because:If the ground is solid, perhaps tarmac or concrete, they can be placed lower, provided the ground slopes away from the wall. The act of circulating air ensures that cold or damp air is not allowed to sit in any voids or empty space as if it is then this is a sure way that timbers and other materials will be damaged and in most cases by the time you realise it’s too late and substantial cost and hassle is the only way to then get it sorted. Two methods of easy installation. All vents have holes drilled into the corners to allow you the screw the covers into the wall, or you can use our range of Fix All adhesives to glue the cover to the wall. This is a problem when the central heating goes off at night and the room cools, causing the floor boards and joists to be colder than the humid air around them, in consequence allowing condensation to form on the wood.

They are primarily used to create an airflow underneath a suspended ground-level timber floor that has a void underneath it.MoneySavingExpert.com is part of the MoneySuperMarket Group, but is entirely editorially independent. Its stance of putting consumers first is protected and enshrined in the legally-binding MSE Editorial Code.