№ files_lp_4_process_3_114945
This document provides a ballot for revisions to the NFRC 400 standard, primarily focusing on clarifying air leakage test specimen size, differential pressure requirements, and adding the latest NAFS-17 as a reference standard.
Year: 2022
Region / City: United States
Subject: Air Leakage Testing for Fenestration Products
Document Type: Ballot
Organization / Institution: National Fenestration Rating Council (NFRC)
Author: Technical Committee, Air Leakage Subcommittee
Target Audience: NFRC Members, Industry Professionals
Effective Period: February 4, 2022 - February 24, 2022
Approval Date: February 4, 2022
Amendment Date: N/A
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.

Don’t have cryptocurrency yet?

You can still complete your purchase in a few minutes:
  1. Buy Crypto in a trusted app (Coinbase, Kraken, Cash App or any similar service).
  2. In the app, tap Send.
  3. Select network, paste our wallet address.
  4. Send the exact amount shown above.
After sending, paste your TXID (transaction ID) and your email to receive the download link. Need help? Contact support and we’ll guide you step by step.