Contractor Grade for Reliable Everyday Performance and Consistent Walk-Ability

CastlePro UL15 is a four-layer synthetic underlayment optimized for efficient installation in a cost-conscience construction. The pill-resistant textile surface holds up in areas of high traffic and lays down quickly without wrinkling or buckling. Built for use in residential and commercial applications at any slope, optimized for use on 4:12 roof slopes.

Performance Features that Make a Difference

Consistent Walkability: High-tenacity textile surface resists pilling and provides more consistency than other fibrous and embossed surfaces.
Easy Application: Holds chalk marks and installs without wrinkling or warping.
Versatile: For use in all code-compliant roof assemblies.
Stable: Can be exposed to sunlight for up to 30 days prior to covering.
Tough: Higher strength properties than conventional materials.
Peace of Mind: 10-Year limited warranty and a Class A fire rating (ASTM E 108).

Building Code Compliance

ICC Evaluation Services (AC188) / ASTM E 108: Class A / ASTM D 226, Types I & II

BROADCAST^®: The Leader In Custom Printing

All CastlePro Building Wrap and Air Barrier products are available with BROADCAST^® custom printed advertising. With BROADCAST, customers no longer need to settle for low-resolution, single-color custom printing. Transform any jobsite into an effective advertising platform through the unique capabilities of BROADCAST:
Full-Color: Print with an infinite number of colors and shades.
Largest Image Size: Artwork can be printed as tall as 40” with unlimited length.
Alternating Messages: Advertise with multiple messages for maximum visibility and impact on the jobsite.
Lowest Minimums: With quantities as low as 28 rolls, onsite advertising with BROADCAST can benefit any sized business and advertisements can be tailored for specific campaigns.

Typical Properties

Property	Standard	UoM	Typical Result1
Water Vapor Permeance	ASTM E 96, Method A	perms	0.1
Water Transmission	ASTM D 4869	Pass/Fail	Pass
Tear Strength (MD/CD)	ASTM D 4533	lbs	24/24
Tensile Strength (MD/CD)	ASTM D 751	lbs	80/80
Burst Strength	ASTM D 751	psi	130
Elongation	ASTM D 751	%	18
Basis Weight	ASTM D 5261	g/m2	85
		lbs/square	1.74
Nominal Thickness	ASTM D 1117	mils (0.001")	5.9

^{1. Results reflect typical properties of control/non-conditioned specimens.}

Roll Sizes

40" x 300' (10 Square)

40" x 120' (4 Square)

60" x 200' (10 Square)

^{Other sizes available per request.}

Precautions

CastlePro products should be stored away from direct exposure to sunlight. Ensure that CastlePro products are protected from sources of high heat or ignition during transportation, storage and installation.

Warranty Information

All CastlePro products carry a limited warranty. Please consult the resources section of this site or call (804) 321-5867 for a copy of the CastlePro limited warranty. Aside from the published limited warranty documents, no other warranty, express or implied, is given, including any implied warranty of merchantability or of fitness for a particular purpose. The material manufacturer, Jumpstart Consultants, Inc., believes the information and recommendations herein to be accurate and reliable. However, since the use and conditions are not within its control, Jumpstart Consultants, Inc. does not guarantee results from the use of such products or other information herein and disclaims all liability from any resulting damage or loss.