- Start by inspecting the window frame. Repair missing glass, replace rotting wood, and fix leaks. Surfaces must remain dry and sturdy to hold storm windows securely.
- Measure carefully to order correctly sized storm windows. Measure width at three points: top, middle, and bottom. Use the smallest measurement. Measure height from casing to sill. For step-by-step measurement guidance, read our detailed article on measuring storm windows.
- Choose materials and designs that suit the property. Exterior storm windows offer all-season durability. Interior storm windows fit unique configurations, like outward-swinging windows.
- Clean window casings, scrape old paint or caulk, and ensure secure attachment of sills and frames. Drill weep holes if none exist for proper drainage.
Content
Contact Us
Have a window issue?
✓ Andersen Certified Dealer
✓ All brands: Pella, Marvin, Milgard
✓ 1300+ Google reviews · 4,8★
Storm window installation transforms energy-inefficient windows into cost-saving assets. By adding a low-e storm window, homeowners can cut energy bills by 10%–30%, saving up to $300 annually. These windows offer advanced insulation by reflecting heat indoors, enhancing comfort during any season. Beyond energy efficiency, storm windows protect primary windows from weather damage, extend their lifespan, and improve overall home efficiency. With simple installation steps and versatile design options, they’re a smart choice for homeowners seeking affordable and effective upgrades. Ready to learn how to install storm windows and maximize savings? Keep reading for an easy, step-by-step guide.
Preparation Checklist for Storm Window Installation
Before starting a storm window installation, preparation ensures smooth and effective results. Whether installing exterior storm windows or interior storm windows, addressing the basics prevents future issues.
Preparing well prevents condensation between existing windows and storm windows.
Caulking sides and top enhances air-tightness while leaving the bottom uncaulked for moisture escape.
By following these steps, storm window installation becomes straightforward, resulting in energy savings and window protection. Proper preparation ensures long-term efficiency gains and peace of mind.
Tools for Storm Window Installation
Storm window installation requires the right tools and materials for efficient and accurate work. Begin with the storm window itself, ensuring the correct size and specifications. Use a reliable tape measure to take precise dimensions, avoiding fit issues during installation. A screwdriver secures the storm window frame firmly, while a drill may assist in tougher areas.
Apply caulk using a caulking gun to seal gaps and improve energy efficiency. Choose a durable, paintable caulk to ensure long-lasting performance. A putty knife aids in adjusting the sill expander and scraping away debris. Include cleaning supplies to prepare window surfaces before installing storm windows.
Use our tool checklist to simplify storm window installation:
|
Tool |
Purpose |
|
Storm Window |
Primary component for installation, sized to fit the window opening. |
|
Tape Measure |
Measures window dimensions for accurate fitting. |
|
Screwdriver |
Secures storm window frame to the window opening. |
|
Drill |
Assists with tougher fastening or creating drainage holes if necessary. |
|
Caulking Gun |
Applies caulk to seal gaps and improve insulation. |
|
Caulk |
Creates an air- and water-tight seal around the storm window. |
|
Putty Knife |
Adjusts the sill expander and scrapes debris or old paint. |
|
Paint Scraper |
Removes loose paint to prepare the window frame for installation. |
|
Cleaning Supplies |
Cleans window surfaces to ensure proper adhesion of storm window components. |
Step-by-Step Guide for Storm Window Installation
Follow these steps to ensure proper storm window installation:
1. Position the Storm Window
Place the storm window in the opening, ensuring the top aligns correctly with movable panels. Center it within the frame and confirm screw holes align with solid wood.
2. Remove and Prepare
Remove the storm window. Apply caulk along the top and sides of the existing window frame. Avoid sealing the bottom sill, allowing proper drainage.
3. Reposition the Storm Window
Fit the storm window snugly into the top of the opening. Adjust until it is flush against the frame.
4. Secure the Frame
Use screws to temporarily fasten the top corners. Check for even gaps on both sides before tightening fully.
5. Adjust the Expander
Slide the bottom expander tightly against the sill using a putty knife, ensuring consistent contact.
6. Finalize the Installation
Secure all screws along the frame. Confirm the unit is square and operational.
7. Inspect Drainage and Seals
Ensure weep holes remain clear. Test functionality by opening and closing the storm window.
Key Points to Remember for Storm Window Installation
|
Point |
Description |
|
Pre-Plan for Seasonal Adjustments |
Install storm windows during moderate weather to accommodate frame expansion and contraction due to temperature changes. |
|
Apply Temporary Supports During Installation |
Use clamps or temporary braces to hold the storm window in place for accurate alignment before securing screws. |
|
Incorporate Hidden Fasteners for Aesthetics |
Use concealed or flush-mounted fasteners for a clean, professional appearance, especially on historic homes. |
Get a Free Estimate on New Storm Windows!
Leave a request and our specialist will estimate on new storm windows, will take measurements and prepare a cost calculation right at your home!
orFinishing Touches for Perfect Storm Window Installation
After completing storm window installation, ensure optimal performance with detailed finishing touches. Verify weep holes at the frame’s bottom remain unobstructed, allowing moisture to drain efficiently. Inspect the caulk around the storm window’s top and sides, sealing any gaps to maintain airtight insulation. Test the storm window’s operation by opening and closing it, confirming smooth movement and a secure lock. Adjust the expander at the bottom for a snug fit against the sill, ensuring an even seal across the frame. These final steps maximize energy efficiency and weather protection, completing a successful storm window installation with long-lasting results. If professional assistance is needed, Argo Glass & Windows, the leaders in storm window installation, are ready to help.
Questions / Answers
Storm window installation is generally straightforward with the proper tools, accurate measurements, and careful preparation. Following a step-by-step installation guide helps ensure a secure fit and maximum efficiency. More complex openings or exterior installations may be better handled by a professional.
Storm windows reduce air leakage and create an insulating air space between the storm panel and the primary window. This helps stabilize indoor temperatures and may reduce heating and cooling costs. Low-E storm windows can improve performance further by reflecting radiant heat back toward the interior during colder weather.
A storm window is a secondary window installed over an existing window to improve insulation, reduce drafts, and protect the primary unit from harsh weather. The additional layer creates an insulating air barrier, helps lower energy loss, and can extend the service life of the original window.
Storm windows are available in two main types: interior and exterior. Interior storm windows are usually easier to install, can reduce outside noise, and preserve the home’s exterior appearance. Exterior storm windows provide stronger weather protection and can offer better protection for the primary window.
Storm windows shield primary windows from rain, wind, airborne debris, UV exposure, and temperature extremes. This protective layer reduces weather-related wear, helps preserve finishes and seals, and may lower long-term maintenance and replacement costs.
