Cut each strip or batt to the exact length of the cavity.
Studs basement to attic.
1a attic access door.
Install new rolled insulation between the wall studs.
Pink fluffy batts wedged tightly between studs rafters and joists insulate the space against exterior temperature changes.
In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.
If you have access to your basement crawl space and attic you should be able to run wires without having to cut patch any drywall.
For the horizontal portion of the cable run this can involve drilling holes in the joists where the cable will pass.
Today s insulation products are manufactured to fit in both 2 x 4 and 2 x 6 construction.
Does fiberglass insulation need to be covered or is it safe to leave it exposed.
On the first floor run wires up the wall from the basement.
Press them in place and staple through the paper to the studs.
If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs.
On the second floor run wires down the wall from the attic.
Standard sidewall widths of both 15 and 23 are available.
16 and 24 widths are available for steel stud construction in many parts of the country building codes today call for insulation levels of r 19 or higher in sidewall assemblies.
Install the rolled insulation in the floor by cutting to size pressing into the space between joists and attaching with wire fasteners.
If one wants to pre plan habitable space in the attic under any pitched roof the addition of a 4 pony stud wall will help to maximize the head room and usable area within the attic.
In crawlspaces and basements make sure there are no cracks in the foundation.
Fwiw there s more to a habitable basement than simply furring out the walls and adding gyb board to enclose the area.
When adding or replacing wiring in finished walls most electricians will attempt to make the horizontal portion of the cable run in the unfinished attic or basement crawlspace areas looping the cable down or up through the wall cavity across the floor or ceiling joists then vertically through another stud cavity to the next wall box opening.
Use a stud to locate the top plate unlike wood steel studs are reliably straight.
But here s the question.
When necessary use existing ducts or pipe runs to get wires from the attic into the basement.
It s not uncommon for homes to have exposed fiberglass insulationin the basement or attic.
2d extend insulation into joist space to reduce air flows.