CRL BAS388 Black 3.5" Wide Screen Tight Base

C.R. Laurence BAS388 Black 3-1/2" Wide Screen Tight Base offers a practical solution for screening porches and sunrooms, designed with the builder's needs in mind. This low-maintenance vinyl screening system is adaptable to most screen porches, easily attaching to existing 2" x 4" or 4" x 4" framing using wood screws or roofing tacks. The installation process is streamlined with pre-punched holes on 8" centers, ensuring a quick and consistent fit. Constructed from durable vinyl, the Screen Tight™ system resists corrosion, rust, and rot, eliminating the need for painting. Re-screening is a breeze-simply pop off the cap, roll in new screen wire, and snap the cap back on. The system accepts standard fiberglass and aluminum screen wire, along with a serrated retainer spline (not included), making it versatile for various applications. With dimensions of 3-1/2 inches wide and 96 inches long, the BAS388 is designed to meet a range of screening needs. It’s a reliable choice for those seeking a weather-resistant solution that combines functionality with ease of installation. Note that the recommended spline size is .175" for fiberglass and .165" for aluminum screen wire.

Black 3-1/2" Wide Screen Tight Base

• Low Maintenance Vinyl Screening System
• Accepts Standard Fiberglass and Aluminum Screen Wire and Serrated Retainer Spline
• No Rusty Nails, Staples or Loose Screens

CRL Screen Tight™ Vinyl Screen Frame is a common sense approach to screening a porch or sunroom area. This Vinyl Screen Frame has been designed with the home builder in mind.


Screen Tight's unique system is easily adaptable to most screen porches. The Base attaches to existing 2" x 4" or 4" x 4" framing with wood screws, roof tacks or staples. Once the Base is attached, the screen is rolled into place with a standard screen roller tool. The excess screen is cut and removed. The Cap snaps into the Base, completing the installation.

Screen Tight is durable and weather resistant. It is low maintenance because it won't corrode, rust or rot, and never needs painting. NOTE: Screen wire and spline not included. Recommended spline size is .175" when using fiberglass screen wire; .165" when using aluminum screen wire.

Pre-punched holes on 8" (196 mm) centers result in a quick and consistent attachment. Once the base is attached, the screen and spline are rolled into place with a standard screen spline roller. If aluminum screen wire is being used, the SS165 series spline is recommended; for fiberglass wire use SS175 series spline. The excess screen is cut and removed. The cap snaps into the base, completing the installation.

Screen Tight™ is durable and weather resistant. It never needs painting, and won't corrode, rust or rot. Re-screening is fast and easy. Simply pop off the cap and roll in the new screen wire.

Four Easy Installation Steps Shown in the Photo Above

1. Base component is easily cut to fit with CRL PTS89 Trimming Snips.

2. Attach base to existing wooden frame with screws or roofing tacks.

3. Secure screen to base with screen spline by rolling spline into groove.

4. Trim excess screen and snap cap into base.

Five length minimum order of one size and color.