Condensation Build Up In Loft Spaces Creates Damp

Loft insulation is essential for keeping your heating bills low, but if it hasn’t been installed correctly, it could be the perfect environment for damp.

Common misconception suggests that damp problems only occur in historic properties. But more recent styles of home including new-builds are also susceptible to the effects of damp and this can sometimes be due to the way that insulation has been installed in the property. Condensation is one of the major causes of damp taking hold in a home, and insulation problems in the attic or cavity walls are common reasons for condensation becoming an issue.

The Quality of Insulation

Uninsulated attics are estimated to lose a quarter of the heat from the property, which can be expensive for your bills and a great reason to invest in insulation. But unfortunately, not all insulation jobs have been carried out according to the correct guidelines, which can cause condensation to build up as a result.

If an attic has existing damp problems when insulation is installed, this can worsen the condition unless you improve ventilation at the same time. A damp proofing London specialist explains that without the air being able to circulate or escape from your property effectively, extra insulation in an already damp environment can provide the perfect breeding ground for damp to develop further.

Even in loft spaces where damp isn’t an existing issue, it’s important that your installer, or you if you’re carrying out a DIY insulation job, follow guidelines to the letter to prevent condensation. Mineral wool insulation is an affordable and effective choice of material to lay first between the joists, then at right angles over the joists. But if you’re boarding up your loft to be used as storage space, then you’ll need to leave a gap between the insulation and the bottom side of the boards to encourage ventilation and prevent the build-up of damp which will spread if it isn’t corrected.

What To Do When Damp Is Present

If you’re aware that damp exists in your attic and is potentially spreading to the lower level rooms in your home, your first step should be to contact a professional damp proofing specialist to provide you with a full survey of your property. After identifying the source of the damp and the extent to which it has progressed, you will be provided with some remedial steps to treat the problem. Where condensation due to insulation is found to be the cause, these steps may include resinsulation strategies, adding adequate ventilation in and providing ways for any build-up of moisture to dry out. In advanced cases, your walls may need to be treated to ensure that they’re protected against future damage.

In terms of recouping any lost money due to a poor insulation job, it’s best to contact your original installer to find out if the job was guaranteed. Some insulation work is guaranteed for as long as 25 years, so if you have paperwork that states this, then you should be able to find details of who to contact if there is a problem. If your installer belongs to a professional industry membership, then it’s also worth contacting them about your options if your damp has been caused by poor workmanship.

As with all damp issues, it’s best to take action as soon as you suspect there’s a problem. The longer you wait, the more chance there is of the damp progressing into a more advanced case, so get in touch today!