---
title: SillDry Blog | Insider
description: Insider | SillDry blog on best practices for protecting your building envelope with window and door flashing solutions.
---

SPRING SALE | Buy 2 Get 1 FREE on all orders placed in May 2020 | [ Place Order ](https://www.silldry.com/request-for-quote-spring2020)

![image-description](https://www.silldry.com/hubfs/Images/visual-contractor.png)

# SillDry Blog

## [How to Protect Your Building With Proper Window/Door Flashing](https://www.silldry.com/blog/how-to-protect-your-building-with-proper-window/door-flashing)

** Jan 16, 2020 / by [SillDry](https://www.silldry.com/blog/author/silldry) posted in [Insider](https://www.silldry.com/blog/topic/insider), [building envelope](https://www.silldry.com/blog/topic/building-envelope), [flashing solutions](https://www.silldry.com/blog/topic/flashing-solutions), [window flashing](https://www.silldry.com/blog/topic/window-flashing), [door flashing](https://www.silldry.com/blog/topic/door-flashing)

[** 0 Comments](https://www.silldry.com/blog/how-to-protect-your-building-with-proper-window/door-flashing#comments-listing)

Every building has an envelope—an exterior layer that serves as a physical barrier between the internal and external environments. When water penetrates this layer, it can have a marked impact on the building’s integrity and longevity. Additionally, it can cause issues that affect the health and safety of personnel such as the corrosion of metal parts, development of mildew and mold, and the overall weakening of structural supports. Implementing proper sealing materials—such as window and door flashing—can minimize the risk of these occurrences.

[Read More **](https://www.silldry.com/blog/how-to-protect-your-building-with-proper-window/door-flashing)

[All posts](https://www.silldry.com/blog/all)

## Post Comments Here

### SUBSCRIBE TO OUR BLOG!

### RECENT POSTS

×

## nice work! You not only saved *$****...*

You also earned a free sample!

[Claim My Free Sample](https://www.silldry.com/free-sample)

![](https://www.silldry.com/blog/tag/images/img22.jpg)

×

![](https://www.silldry.com/hubfs/Images/video-block-img.jpg)

**BEST PRACTICES/WARNINGS:**

- Do not stretch Product more than 3 inches.
- SillDry sill pan should not be installed in a rough opening that is smaller than the Product's unstretched length.
- Add 1" to recommended height of the manufacturer's rough opening to accommodate the built in ½" (8°) slope in the SillDry sill pan.
- Placement of pan head screws (not included with sill pan) indicated on diagram.
- Do not screw through horizontal leg or accordion.
- Open nail holes or other physical damage to the SillDry sill pan caused by transportation, misuse, improper installation, storage, tampering, modifications or unauthorized repair voids the SillDry Limited Warranty.
- Never reuse the Product in a second window installation.