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B&Q DIY Warehouse › B&Q Power Tools › › B&Q Online Warehouse - The UK DIY Website › B Q Warehouse › B Q Diy › B Q Stores › Diy › B Q UK › Bq › Website B Q › Diy Stores › B Q Ireland › Bq DIY › B Q › B Q UK › B Q Diy Store › Bq › B Q Diy Shop › Bq Diy › B Q Diy Uk › DIY › B Q DIY Merchants › B Q Warehouse › B Q Home Improvement › www.bq UK › www.bq.com › B&Q Warehouse › B&Q Diy › B&Q Stores › Diy › B&Q UK › Bq › Website B&Q › Diy Stores › B&Q Ireland › Bq DIY › B&Q › B&Q UK › B&Q Diy Store › Bq › B&Q Diy Shop › Bq Diy › B&Q Diy Uk › DIY › B&Q Diy Merchants › B&Q Warehouse › B&Q Home Improvement › › B&Q UK DIY › www.bq UK › www.bq.com › B&Q Online DIY Shop › Website B&Q DIY. Home | Sign In | Find a B&Q | About B&Q | Help Your Basket Items 0 Sub-Total £ 0.00 Delivery £ 0.00 Total £ 0.00 Advice Building Gardening Decorating and Design Carpentry Plumbing Electrical Reference Buyers Guides DIY Glossary Calculators We hope this helps to answer your question. If you require further help please return to the Advice section How do I treat my skirting boards for dry rot? Back to list of Questions & Projects You have a serious problem because dry rot is an extreme form of decay and urgent treatment is essential to prevent it spreading to the whole building. Dry rot thrives in damp and badly ventilated areas, which can spread far wider than the timber where it starts. In very damp conditions it can send out its spoors into plaster and even cement rendering. It is characterised by white growths resembling cotton wool known as 'mycelium'. The first step to getting rid of dry rot is to make sure that all the infected timber is cut away to a depth of at least 400mm (16in) beyond the last sign of rot. Chemical treatment should then be applied to all of the remaining timber and to all brickwork and plasterwork within 1.5 metres of the infected area. Ensure that good ventilation is provided to all areas which have been infected, even to the extent of putting in air bricks in external walls. The work required is so extensive that it may be better to call an expert in to treat it. If you only have a very small patch of dry rot Cuprinol 5 star timber treatment is a very good product for preventing dry rot from spreading. If you can cut out the affected timber, Cuprinol also make a hardener which reduces the spread of dry rot and you can probably fill in any small diseased area with Ronseal Wood Filler. About B&Q | Privacy | Security | Terms | Copyright | Delivery . Online shopping at B&Q DIY (UK) is affordable, easy and 100% secure.