The lap vent is another easy solution for ventilation problems. Especially in poorly vented areas of the property. Though commonly used on older roofs with bitumen sarking felt (waterproofing layers), they can also be fitted to roof membranes if needed. You can find many roof tile vents here, including double Roman, roll and more. Each offers a style of ventilation to suit as much or as little as you need. Hambleside Danelaw’s range of tile and slate vents provide ventilation into the roof void, and can also be used with mechanical extraction in bathrooms or kitchens or used for soil ventilation. All of these functions are achieved by the use of an additional flexi-pipe adapter kit which connects the required service to the vent terminal, thereby removing unsightly penetrations through the roof. Vent ridge with sleeve fitted together with pipe adapter for extractor fan How Many Vents are Needed to Ventilate my Loft?

Most homes will have all the features to reduce moisture getting into the loft, but we have to accept that some will get in there. Then the question becomes how to deal with it. This is where what project focuses on. I've also noticed in some places the existing insulation is quite flat, though I haven't noticed any really damp. Would it still be ok to top this up or would it need replaced? Over vent” fascia is another good solution for problematic roofing spaces but does not offer as easy of an installation process. However, the mesh grill design keeps out pests and is ideal for those who desire a hidden solution, unlike soffit vents. Our roof ventilation range is entirely British manufactured, as are the majority of our products; proudly supporting British manufacturing and minimising risk in the supply chain and in your project schedules. Roof and eaves ventilation – complete solutionsFor roof spaces that require more than the 15000mm/m² the spacings half for each additional 5000mm/m²

The Manthorpe Felt Lap Vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces. One issue that can arise is “ice damming”. Many homeowners and professionals who are familiar with these lofts issues know of this problem. Typically a leak will usually have an evident external cause and be localised whereas condensation will be across the whole roof space. The panels should be fully inserted with the ribs uppermost and the two retaining tabs locating over the exposed edge of the roofing underlay. The dry ridge system is an innovative style of ventilation, combating the traditional method of using mortar and sand during the ridge and hip tiles installation.There is no stopping moisture in the home. We create it from cooking, boiling the kettle, washing and even breathing out. This moisture is warm and will rise with the warm air in our houses, eventually finding its way into the loft. Danelaw® offers a wide range of roofing ventilation products covering a wide range of tile types and construction details, from new build developments to refurbishment. I just bought a load of 200mm insulation to top up the loft to see if that would help with the problem. I cleared everything out yesterday and when I went to start rolling it out today I have noticed that the roof is covered in beads of condensation and some of the wood is damp. I'm assuming from the sub zero temperatures last night as there wasnt any rain. An ideal part of this type of ventilation is that little to no maintenance is required. However, if applied with sand and mortar, they need to be replaced with mortar bonds.