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Insulation Blog
Practical notes on attic insulation, air sealing, materials, and what to look for in San Antonio homes.
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16 articles
September 17, 2026
01Should You Add New Insulation or Replace Old Attic Insulation?
Should you add insulation over old attic insulation or replace it? Learn when removal is needed, what affects replacement cost, and what to check first.
Read articleSeptember 18, 2026
02Attic Air Sealing vs. Insulation: What's the Difference?
Does insulation stop air leaks? Learn how attic air sealing differs from insulation, where leaks hide, and why sealing comes first.
Read articleSeptember 19, 2026
03Should You Insulate the Attic Floor or the Roof?
Attic floor vs. roof insulation: how vented and unvented attics work, when spray foam at the roofline makes sense, and what each costs to plan for.
Read articleSeptember 20, 2026
04How Much Does Attic Insulation Cost?
Learn how much attic insulation costs, what affects the price, and how insulation type, removal, air sealing, and attic size can change your total cost.
Read articleSeptember 20, 2026
05How to Tell If Your Attic Insulation Needs Attention
Learn the signs of attic insulation problems, including thin, uneven, settled, damaged, or old insulation, and when it may need replacement.
Read articleSeptember 21, 2026
06What Is the Best Insulation for an Attic?
Compare the best insulation types for attics, including fiberglass, cellulose, spray foam, blown-in insulation, batts, and rolls.
Read articleSeptember 22, 2026
07Blown-In Insulation: Fiberglass vs. Cellulose
Compare blown-in fiberglass and cellulose insulation, including cost, R-value, installation, batts, spray foam, and which option may fit your attic.
Read articleSeptember 23, 2026
08Cellulose Insulation for Attics: What Homeowners Should Know
What to know about cellulose attic insulation: R-value per inch, settling, weight, moisture, safety, and blowing it over existing insulation.
Read articleSeptember 24, 2026
09How Much Does It Cost to Insulate a House?
How house insulation cost is calculated, price per square foot by area and material, example estimates, and what changes the total.
Read articleSeptember 25, 2026
10DIY Attic Insulation vs. Professional Installation
How to insulate an attic yourself, what tools you need, and when a professional makes more sense for blown-in, walls, or problem attics.
Read articleSeptember 26, 2026
11Fiberglass Insulation: Batts vs. Blown-In
Fiberglass batts vs. blown-in insulation: R-values, thickness, where each works best in attics, walls, and ceilings, and mistakes to avoid.
Read articleSeptember 27, 2026
12Fiberglass vs. Cellulose Insulation: What's the Difference?
Compare fiberglass and cellulose insulation by R-value per inch, settling, moisture, and weight, and see which fits your San Antonio attic or walls.
Read articleSeptember 27, 2026
13How Much Insulation Should You Have in Your Attic?
Learn how much attic insulation you need, what R-value to use, how thickness affects insulation, and when you may need to add more.
Read articleSeptember 28, 2026
14How to Insulate an Attic Hatch or Attic Door
Step-by-step guide to insulating and sealing an attic hatch, attic stairs, or access door, including weatherstripping, dams, and covers.
Read articleSeptember 29, 2026
15Insulation Thickness vs. R-Value: What Do You Need?
How insulation thickness relates to R-value, R-value per inch by material, how thick R-30, R-38, and R-49 are, and what San Antonio attics need.
Read articleSeptember 30, 2026
16Spray Foam vs. Blown-In Insulation: What's the Difference?
Spray foam vs. blown-in insulation: how each works in an attic, R-value, cost to plan for, safety, and which fits your San Antonio home.
Read article