5. Roof ventilation All new roof design will now include ventilation systems into your roof structure You may not
realise the effects of condensation and damp stagnant air in a building, but these are two of the biggest
problems that a house may have. Condensation and damp stagnent air induce conditions that are suitable
for wet [...] Roof ventilation systems is a post from: Roof Repair Glasgow
http://roofrepairstore.com/roof-ventilation-systems