Answers

The best move would be to simply make sure the existing vapor barrier product is installed properly (flush to ceiling below) and add blown insulation over top to to get the best R value and at the least expense.

For most gensets, simply changing the orifice and a few adjustments will allow the conversion.

Here are links with instructios and video:

http://www.thegoodsurvivalist.com/how-to-convert-your-generator-to-natural-gas-or-propane-for-5/

http://www.instructables.com/id/Converting-a-generator-to-run-on-propane/

Hardi™ is a fibre-cement product and the LP product is a chip-board/resin composite. The Hardi™ comes both finished and unfinished, the LP is unfinished and must be painted with a high quality exterior coating that meets the demands and longevity requirements of the region in which it is utilized. Finished Product warranties vary based on the above variables.

The new ridge vent should have the bug/snow/rain barrier integrated into the venting system. There are probably many other areas in the attic into which "bugs" could enter, but attics do not typically make the best habitats since the temperatures can be extreme and there is no "relatively nearby" source of water for them to survive. The "integrated mesh" is more for helping to prevent wind blown rain and snow from entering the attic space and settling on whatevr lies below.

The masonry work should be performed prior to repairs to the existing roofing, unless the roof is leaking, whereupon you may need to make intermediate repairs to stop the leaking while the masonry work is performed.

Cut the screw if the other methods fail.

A Grading and Drainage certificate should have been issued by the permitting authority along with an affidavit by the contractor performing the work ensuring the work was in compliance with the approved plans.

Bulb info should be on base of bulb. Many internet sources for older and unique bulbs. May want to use multimeter to check contacts of socket to be certian power is reaching an inserted bulb.

Typically $750 - $1,000 is an acceptable range, based on specs for the heater, location of the unit and fuel source, with gas being more expensive in most localities. Some models with higher performance or longer warranties coual add to those numbers.

Find a bracket that will span the columns. Drill and insertlead anchors into the brick at the correct locations for the connecting fasteners.