The key to a roof system s effectiveness is complete protection.
How to identify roof spread.
Immediately replace missing or torn shingles.
This is a crucial item to check since rot here can spread to the house s structure underneath your siding.
The problems that stem from the growth of algae moss mold or mildew will have already become an urgent matter by the time internal leaks become evident.
So fixing the problem as soon as possible is vital.
Roof spread occurs when there is a failure to adequately support the main rafters of the roof so as to prevent them spreading further open in a scissor type action.
Classification of a building class is based on two factors.
Make a close inspection of both the roof itself as well as the area directly below the roof line for any wear and tear.
Building elements and fire resistance rating.
These factors may not be included in the submission documentation in which case additional information will need to be requested.
It has roof spread and to remedy it will mean a major expense possibly even taking the roof off.
Something else to look for in regards to roof spread is sag.
If looking for the obvious and common cause of roof spread then this particular issue could so easily have been missed especially when limited to a head and shoulders inspection from the loft hatch.
Split ridge board causing rafter instability and subsequent applied horizontal thrust to the wall plates.
Look up at the gutter and if it is badly bowed and not straight walk away.
How to identify roof mold damage.
Go out to your yard with binoculars and train them on your roof.
All buildings must be classified into one of six construction classes see number 3.
Since the rafters are fixed to timber wall plates sitting on the head of the masonry wall then roof spread pushed out those wall plates in the process pushing out the masonry below.
Therefore the first signs of roof spread are often cracking bulging or leaning at the head of the masonry causing bowed walls.
Storms can rip away random parts from a roof and render interiors vulnerable to wind water and the further spread of malignant toxic fungi.
Factors that cause the situation include bad construction improper materials and water and rot problems.
When shingles are missing or torn off a roof structure and home or building interior are vulnerable to water damage and rot.
This inspection could take a little while.
The problem is likely to spread nearby shingles also are ripped easily or blown away.
Roof spread affects a roof that begins to move after it is installed.
How building class is determined.
