Renovation Videos

Fix it, build it, learn it.

All projects

Every project we cover, with its parts in order.

Filters1

Filter videos

Room
Attic
Room
Problem
Any problem
Problem
Skill level
Any skill level
Skill level
Clear filters

11 videos

  1. Ice Dam Heat Cables, Furnace Upkeep and Snow Blower Care

    Published: 8 Oct 2026

    A winter-weather episode of Ask This Old House covering ice dams, where an electrician installs a 60-foot electric heat cable with a temperature and moisture sensor on a roof, gutter and downspout.

    Call a pro?
    Permit or a pro may be required

  2. Blocked Soffit Vents: How to Check and Fix Attic Ventilation

    Published: 3 May 2026

    Explains how a ridge-and-soffit attic ventilation system is supposed to work and why blocked soffit vents are the common failure.

    Call a pro?
    DIY is fine

  3. Attic Decking for Heavy Storage: Joists, Air Sealing and OSB

    Published: 2 May 2026

    Travis from Lowe's Home Improvement shows how to deck an attic floor for heavy storage.

    Call a pro?
    Permit or a pro may be required

  4. Installing Rafter Vents in an Attic Before Insulating for an Office

    Published: 27 Feb 2026

    The creator installs rafter vents between 16 in. on center rafters in an attic being turned into an office, keeping an air channel from the soffit vents to the ridge vent before adding blown-in…

    View project: Office Build
    Call a pro?
    DIY is fine

  5. Insulating an Old Attic: Air Sealing Vented and Conditioned Roofs

    Published: 2 Nov 2024

    Explains how to insulate and air seal an existing attic without causing condensation and mold.

  6. Sealing a Vented Attic Ceiling With Siga Membrane, Not Drywall

    Published: 22 Mar 2024

    Matt Risinger and Steve Baczek stand in a house outside Boston and show how to complete the air barrier across the ceiling of a vented attic.

  7. Blowing In Attic Insulation With an AttiCat: Seven Lessons Learned

    Published: 21 Mar 2023

    A couple insulated their attic with a rented AttiCat machine and expanding fiberglass blown-in insulation, and share seven lessons.

    Call a pro?
    DIY is fine

  8. Attic Air Sealing and Re-Insulation in a 1980s Texas House

    Published: 26 Jul 2022

    Matt Risinger and home performance contractor Quincy Bishop of True R Value re-insulate a vented Texas attic in a 1980s house by removing the old insulation, air sealing leaks, and blowing in new…

    Call a pro?
    Permit or a pro may be required

  9. Attic and Cathedral Ceiling Insulation: Baffles First, Then R38 Batts

    Published: 14 May 2021

    Andrew Phillips shows how to insulate an attic ceiling or cathedral ceiling with batt insulation.

    Call a pro?
    DIY is fine

  10. Blown-In Attic Insulation: Prep, Air Sealing and Machine Use

    Published: 28 Mar 2018

    Lowe's shows how to add blown-in fiberglass loose fill insulation over an existing layer in an attic.

    Call a pro?
    Permit or a pro may be required

  11. Attic Insulation: Cellulose, Fiberglass Batts and a Raised Platform

    Published: 30 Sep 2014

    This Old House general contractor Tom Silva adds insulation to an attic that had only about two inches of settled rock wool.