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Crawl Space & Attic Guide Guides – Page 2

All 145 guides in this topic, newest first. Start with the Crawl Space & Attic Guide hub »

Crawl Space Vents: Open, Closed or Sealed in Colorado?

Crawl Space Vents: Open, Closed or Sealed in Colorado?

Should vents in crawl space walls stay open or be sealed? Vented vs conditioned crawl spaces, moisture, freezing pipes,…

Basement Insulation: Walls, Rim Joists and Moisture Control

Basement Insulation: Walls, Rim Joists and Moisture Control

How basement insulation works on walls, ceilings and rim joists, which materials suit below-grade walls, recommended R-v…

Crawl Space Foundation Repair: Piers, Beams and Moisture

Crawl Space Foundation Repair: Piers, Beams and Moisture

Crawlspace foundation repair explained: sagging floors, rotted joists, moisture and soil causes, support posts, sisterin…

Spray Foam Attic Insulation: Unvented Attics, Pros and Costs

Spray Foam Attic Insulation: Unvented Attics, Pros and Costs

Considering spray foam attic insulation? Compare roofline vs attic-floor installs, ventilation and ice dam effects, code…

Attic Insulation Cost: Blown-In, Batts and Spray Foam

Attic Insulation Cost: Blown-In, Batts and Spray Foam

Compare attic insulation cost for blown-in fiberglass, cellulose, batts and spray foam, plus R-value targets, air sealin…

Basement Floor Drain Backing Up: Causes and Fixes

Basement Floor Drain Backing Up: Causes and Fixes

Why a basement floor drain backs up or smells like sewer gas, what it connects to, backwater valves, safe cleanup, and w…

Efflorescence: White Deposits on Basement Walls Explained

Efflorescence: White Deposits on Basement Walls Explained

What efflorescence on basement walls means, how to tell it from mold, what causes the white salt deposits, how to clean…

Attic Ladder: Types, Safety and Air-Sealing the Hatch

Attic Ladder: Types, Safety and Air-Sealing the Hatch

Choosing an attic ladder means matching type, ceiling height and load rating, then sealing the hatch. Compare folding, s…

Attic Insulation Removal: When, How and What It Costs

Attic Insulation Removal: When, How and What It Costs

When attic insulation removal is worth it, how pros vacuum loose-fill and bag batts, why vermiculite needs abatement, ai…

Duct Sealing: Leaky Ducts, Methods and Costs

Duct Sealing: Leaky Ducts, Methods and Costs

Duct sealing stops heated and cooled air from leaking into attics and crawl spaces. Learn the warning signs, mastic vs a…

Blower Door Test: How It Works, Results and Costs

Blower Door Test: How It Works, Results and Costs

A blower door test measures how leaky your house is. Learn what ACH50 and CFM50 mean, how the test works, where leaks hi…

Attic Fan: Powered vs Solar, Pros, Cons and Costs

Attic Fan: Powered vs Solar, Pros, Cons and Costs

What an attic exhaust fan does, powered vs solar models, why air sealing and intake vents matter first, controls, costs…

Sump Pump Maintenance: Testing, Cleaning and Failure Signs

Sump Pump Maintenance: Testing, Cleaning and Failure Signs

A practical sump pump maintenance guide: how often to test, cleaning the pit, float and check valve issues, frozen disch…

Rigid Foam Insulation: XPS vs EPS vs Polyiso Boards

Rigid Foam Insulation: XPS vs EPS vs Polyiso Boards

Compare XPS, EPS and polyiso rigid foam board: R-value per inch, moisture and cold-weather behavior, best uses, fire-cod…

Blown-In Insulation Cost: Cellulose vs Fiberglass Prices

Blown-In Insulation Cost: Cellulose vs Fiberglass Prices

Typical blown in insulation cost per square foot and per attic, cellulose vs fiberglass trade-offs, add-ons that raise t…

Insulation R-Value: What It Means and How Much You Need

Insulation R-Value: What It Means and How Much You Need

What insulation R value measures, typical R-value per inch by material, why installed performance falls short, and how m…

Attic Ventilation: How It Works, Problems and Fixes

Attic Ventilation: How It Works, Problems and Fixes

How attic ventilation works, the 1:150 and 1:300 vent rules, warning signs like ice dams and frosty sheathing, and fixes…

Open vs Closed Cell Spray Foam: Differences and Cost

Open vs Closed Cell Spray Foam: Differences and Cost

Open-cell vs closed cell spray foam compared: R-value, density, vapor control, best uses, typical cost per board foot an…

Rim Joist Insulation: Materials, Air Sealing and Cost

Rim Joist Insulation: Materials, Air Sealing and Cost

How rim joist insulation stops basement and crawl space air leaks, which materials work best, why fiberglass batts fall…

Ice Dams: Why They Form, Damage Risks and Prevention

Ice Dams: Why They Form, Damage Risks and Prevention

Why ice dams form on Colorado roofs, the leaks, stains and attic mold they cause, and how air sealing, insulation and ve…

Home Energy Audit: What It Finds, Blower Door Tests and Cost

Home Energy Audit: What It Finds, Blower Door Tests and Cost

Learn what a home energy audit includes, from blower door and infrared tests to combustion safety checks, plus typical c…

Attic Insulation: Types, R-Values, Costs and Mistakes

Attic Insulation: Types, R-Values, Costs and Mistakes

Compare attic insulation types, ENERGY STAR R-value targets for the Front Range, air sealing, and typical attic insulati…

French Drain: How It Works, Installation and Cost

French Drain: How It Works, Installation and Cost

How a french drain works, exterior vs interior systems, when it is the right fix, installation steps, common mistakes, D…

Sump Pump Installation: Types, Cost and Backup Options

Sump Pump Installation: Types, Cost and Backup Options

A guide to sump pump installation: pedestal vs submersible, sizing by HP and GPH, battery and water-powered backups, dis…

Basement Waterproofing: Methods, Costs and What Works

Basement Waterproofing: Methods, Costs and What Works

Basement sealing and waterproofing explained: interior vs exterior methods, matching fixes to condensation or seepage, c…

Basement vs Crawl Space: Pros, Cons and What to Inspect

Basement vs Crawl Space: Pros, Cons and What to Inspect

Basement vs crawl space compared: pros, cons, upkeep and what to inspect, including homes with a basement with crawl spa…

Basement Encapsulation: What It Is, Cost and When It Helps

Basement Encapsulation: What It Is, Cost and When It Helps

Basement encapsulation explained: how it differs from waterproofing and finishing, when it helps, typical costs, and why…

Crawl Space Repair: Common Problems, Fixes and Costs

Crawl Space Repair: Common Problems, Fixes and Costs

A plain guide to crawl space repair: sagging joists, rotted sills, failing piers, standing water and pest damage, who fi…

Crawl Space Inspection: What Inspectors Check and Find

Crawl Space Inspection: What Inspectors Check and Find

A crawl space inspection checks moisture, wood rot, insulation, pests, plumbing and framing. Learn what inspectors find,…

Crawl Space Waterproofing: Methods, Costs and When You Need It

Crawl Space Waterproofing: Methods, Costs and When You Need It

Crawl space waterproofing keeps liquid water out. Compare it with encapsulation and vapor barriers, plus methods, warnin…

Crawl Space Vapor Barrier Installation: Steps and Cost

Crawl Space Vapor Barrier Installation: Steps and Cost

Crawl space vapor barrier installation explained step by step: prep, seams, walls, piers and sealing, plus material choi…

Crawl Space Encapsulation Cost: 2026 Price Guide

Crawl Space Encapsulation Cost: 2026 Price Guide

Crawl space encapsulation cost often runs $3 to $7 per square foot. See what drives the price, DIY vs pro trade-offs and…

Which Way Should Insulation Face in a Crawl Space?

Which Way Should Insulation Face in a Crawl Space?

Which way should insulation face in a crawl space? Kraft facing usually goes up against the subfloor. Learn when unfaced…

Vented vs Encapsulated Crawl Space: Pros, Cons and Cost

Vented vs Encapsulated Crawl Space: Pros, Cons and Cost

Vented vs encapsulated crawl space compared: how each works, moisture, energy, cost, radon and combustion safety, and wh…

Do You Need Insulation in a Crawl Space? A Decision Guide

Do You Need Insulation in a Crawl Space? A Decision Guide

Do you need insulation in crawl space areas? Learn when it pays off, where it belongs in vented or sealed crawls, and wh…

Floor Joist Insulation in a Crawl Space: Methods and Fixes

Floor Joist Insulation in a Crawl Space: Methods and Fixes

Floor joist insulation crawl space guide: batt facing and supports, sealed-crawl alternatives, sagging or wet batts, pip…

Crawl Space Insulation Types: Materials Compared

Crawl Space Insulation Types: Materials Compared

Compare crawl space insulation types: fiberglass batts, rigid foam, closed-cell spray foam and mineral wool, with R-valu…

Removing and Replacing Old Crawl Space Insulation

Removing and Replacing Old Crawl Space Insulation

Should I remove insulation from crawl space framing? Learn the signs it must go, how to remove it safely, asbestos cauti…

How to Install Crawl Space Insulation, Step by Step

How to Install Crawl Space Insulation, Step by Step

Learn how to install crawl space insulation step by step: vented versus sealed, batts between joists, foam on walls and…

Wet Crawl Space Insulation: Moisture Problems, Fixes

Wet Crawl Space Insulation: Moisture Problems, Fixes

Wet crawl space insulation fails and breeds mold. Learn why moisture destroys insulation and the drainage, barrier, and…

Crawl Space Vapor Barrier and Insulation: How They Work Together

Crawl Space Vapor Barrier and Insulation: How They Work Together

How crawl space vapor barrier insulation works as one system: liner thickness, sealing, where insulation goes in sealed…

Best Insulation for Crawl Space: Floor, Walls & R-Values

Best Insulation for Crawl Space: Floor, Walls & R-Values

The best crawl space insulation for vented and encapsulated crawl spaces: which materials suit floors vs walls, plus DOE…

Spray Foam Insulation for a Crawl Space Guide

Spray Foam Insulation for a Crawl Space Guide

Spray foam insulation crawl space guide: open vs closed cell, R-value per inch, moisture behavior, cost, code notes, and…

Crawl Space Insulation Near Me: Choosing a Pro

Crawl Space Insulation Near Me: Choosing a Pro

Searching crawl space insulation near me? Learn how to find and vet a contractor, what to ask, licensing and red flags,…

Crawl Space Insulation Cost: 2026 Price Guide by Method

Crawl Space Insulation Cost: 2026 Price Guide by Method

Crawl space insulation cost by method: batts, rigid foam, spray foam, rim joists, removal, and vapor barriers, plus Colo…

Crawl Space Dehumidifier Cost: 2026 Price and Sizing Guide

Crawl Space Dehumidifier Cost: 2026 Price and Sizing Guide

What drives crawl space dehumidifier cost in 2026: the unit, installation, drain or pump, outlet, and power use, plus si…

Aprilaire Crawl Space Dehumidifier: What to Know

Aprilaire Crawl Space Dehumidifier: What to Know

An Aprilaire crawl space dehumidifier targets the moisture that drives mold and rot. Learn how these units work, key fea…

Types of Mold in Crawl Space: What Homeowners Should Know

Types of Mold in Crawl Space: What Homeowners Should Know

The types of mold in crawl space areas range from white surface growth to dark patches. Learn what they signal and how F…