Roofing/Expert Profile

Average Ratings

• Knowledgeability 9.85
• Clarity of Response 9.90
• Timeliness 9.86
• Politeness 9.90

• Number of Questions (in Past 24 Hours) 0
• Max Questions to be Asked (in 24 Hour Period) 5
• Total Questions (since joining AllExperts) 513
• Volunteer Since 2007-06-15
• Prestige Points 5620

Recent Reviews from Users

Read More Comments

    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness

User	Date	K	C	T	P	Comments
Andy	08/15/09	10	10	10	10	Thanks I counted around 20 intake vents .....
James	07/28/09	10	10	10	10	Mark was very prompt and while not .....
Bob	07/26/09	10	10	10	10	Thanks Mark for the good and clear .....
Robert	07/19/09	10	10	10	10	Thank you Mark. Just what I was .....
lonnie	07/17/09	10	10	10	10	Thanks! That was very helpful and also .....

Recent Answers from Mark Sundberg

2009-08-11 Parapet Wall:

Aloha Lonnie, Unfortunately, it would be almost impossible to say, without seeing the situation and, more importantly, knowing where the property line is. Structurally, it's probably not needed, at

2009-08-09 Ridge vents and power attic vents together:

Hi Andy, They can interfere with each other, mostly because when the powered vents come on, they are going to suck a lot of air and they may suck it back through the ridge vent which might compromise

2009-08-05 Noises Above the Ceiling:

Hi Leilah, Sounds like the roof is heating up and there is shifting between the sheathing and the framing. This can happen in areas with high temperature swings between night and day where the roof

2009-08-04 Roof Intake vent:

It can be done, but I find ignoring the manufacturer's suggestions is very risky business. Of course, it depends on your weather conditions and the slope of the roof and prevailing wind directions. If

2009-07-29 Drip Edge:

Hi Dennis, Depends on what you mean by absolutely necessary. Will the building collapse without it? Not likely. However, the roof edge will last a lot longer. The edge of plywood, which is probably