SECTION 07 21 00

WOOD FIBER INSULATION 

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Section Includes:
1.	Wood fiber board insulation. (TimberBoard)
2.	Wood fiber batt insulation. (TimberBatt)
3.	Wood fiber blown-in insulation. (TimberFill)
1.2	RELATED SECTIONS
A.	Section 03 30 00 - Cast-in-Place Concrete.
B.	Section 05 40 00 - Cold-Formed Metal Framing.
C.	Section 06 10 00 - Rough Carpentry.
D.	Section 06 16 00 - Sheathing.
E.	Section 07 27 00 - Air Barriers.
F.	Section 07 60 00 - Flashing and Sheet Metal.
1.3	REFERENCES
A.	ASTM International (ASTM):
1.	ASTM C 208 - Standard Specification for Cellulosic Fiber Insulating Board. 
2.	ASTM C 209 - Standard Test Methods for Cellulosic Fiber Insulating Board. 
3.	ASTM C 739 - Standard Specification for Cellulosic Fiber Loose-Fill Thermal Insulation.
4.	ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
B.	Code of Federal Regulations (CFR) 
1.	CFR 16 Part 1209 Interim Safety Standard for Cellulose Insulation.
C.	Forest Stewardship Council (FSC) 
1.	STD-40-003 Standard for Multi-site Certification of Chain of Custody Operations.
2.	STD-40-004 V2.0 FSC Standard for Chain of Custody Certification.
3.	STD-40-005 V2.1 Standard for Company Evaluation of FSC Controlled Wood.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00.
B.	Product Data:
1.	Manufacturer's data sheets on each product to be used.
2.	Preparation instructions and recommendations.
3.	Storage and handling requirements and recommendations.
4.	Typical installation methods.
C.	Sustainable Design Submittals: Manufacturer's documentation that wood fiber is FSC certified by the Forest Stewardship Council Standards STD-40-003, STD-40-004, STD-40-005.
D.	Verification Samples: Two representative units of each type.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing wood fiber products specified in this section, with products meeting CFR and ASTM Standard. Company shall have an established quality control program ensures raw material, individual manufacturing steps, and final product testing meet quality control standards to manufacturer a reliable and consistent product.
B.	Installer Qualifications: Minimum two years experience installing insulation.
C.	Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
D.	Acoustic Performance: STC and OITC assembly ratings as published by TimberHP and as documented by Riverbank Acoustical Laboratories based on assembly, assembly as applicable to the project.
1.	STC 32, OITC 27, RAL TL23-014: 2x4 Wood Studs, 16" o.c. TimberFill, Single Layer Of 5/8" Type X Gypsum Board on Both Sides 
2.	STC 36, OITC 28, RAL TL23-016: 2x6 Wood Studs, 16" o.c. TimberBatt, Single Layer Of 5/8" Type X Gypsum Board on Both Sides 
3.	STC 37, OITC 27, RAL TL23-011: 2x4 Wood Studs 16" o.c., TimberBatt, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
4.	STC 38, OITC 28, RAL TL23-018: 2x6 Wood Studs, 16" o.c. TimberFill, Single Layer Of 5/8" Type X Gypsum Board on Both Sides. 
5.	STC 46, OITC 30, RAL TL23-008: Single Layer Of 5/8" Type X Gypsum Board on Both Sides, 3-5/8" Metal Studs 16" o.c. TimberBatt acoustic, Single Layer of 5/8" Type X Gypsum Board on Both Sides.
6.	STC 49, OITC 30, RAL TL23-010: 3-5/8" Metal Studs 24" o.c. TimberBatt acoustic, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
7.	STC 50, OITC 31, RAL TL23-012: 2x4 Wood Studs, 16" o.c. TimberBatt, RCSD on Source Side, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
8.	STC 50, OITC 32, RAL TL23-013: 2x4 Wood Studs, 16" o.c. TimberFill, RCSD on Source Side, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
9.	STC 53, OITC 32, RAL TL23-009: 3-5/8" Metal Studs 24" o.c. TimberBatt acoustic, RCSD on Source Side, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
10.	STC 53, OITC 34, RAL TL23-007: 3-5/8" Metal Studs 16" o.c. TimberBatt acoustic, RCSD on Source Side,
11.	STC 53, OITC 38, RAL TL23-017.2x6 Wood Studs, 16" o.c. TimberFill, RCSD on source side, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
12.	STC 55, OITC 37, RAL TL23-015: 2x6 Wood Studs, 16" o.c. TimberBatt, RCSD on Source Side, Single Layer Of 5/8" Type X Gypsum Board on Both Sides.
E.	Mock-Up: Construct an in-place mock-up of the exterior wall with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect.
1.	Intent of mock-up is to demonstrate quality of workmanship and relationship between different materials.
2.	If mock-up is not acceptable, rebuild mock-up until satisfactory results are achieved.
1.6	PRE-INSTALLATION CONFERENCE
A.	Pre-installation Meeting: Conduct pre-installation meeting to verify project requirements, substrate conditions and insulation manufacturer's installation instructions. 
1.7	DELIVERY, STORAGE, AND HANDLING
A.	Store and handle products per manufacturer's instructions until ready for installation.
1.8	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.9	WARRANTY
A.	Insulation Warranty: At project closeout, submit to Owner an executed copy of the manufacturer's standard limited warranty against manufacturing defects.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: TimberHP, which is located at:<BR />1 Main St., P. O. Box 119<BR />Madison, ME 04950<BR />Toll Free Tel: 855-755-1359<BR />Email: request info (info@timberhp.com);Web: https://timberhp.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00.
2.2	WOOD FIBER BOARD INSULATION
A.	Wood Fiber Board Insulation: TimberBoard by TimberHP with the following attributes.
1.	Description: Rigid wood continuous insulation.
2.	Contents: Softwood fibers, PMDI (bonding), paraffin (hydrophobic).
3.	Sustainability: FSC-certified softwood.
4.	R-Value: 3.4 to 3.7 per inch.
5.	Vapor Permeability: 44 perm-inch.
6.	Acoustic Performance: NRC 0.85 at 1-1/2 inch (38 mm) thickness (single layer); NRC 0.85 at 3 inch (76 mm) thickness (two layers), and NRC 1.00 at 5-1/2 inches (140 mm) thick (single layer).
7.	Compressive Strength: 10-20 psi.
8.	Fire Protection: ASTM E84 Class B flame spread and smoke developed without additional flame retardants.
9.	Standards: Meets modified ASTM C208 and C209 Standard Test Method for Cellulosic Fiber Insulating Board.
10.	Edge Profile: Tongue and groove. (July 2024)
11.	Edge Profile: Square edge. 
12.	Board Thickness and R-Value: 1 inch (25.4mm), R3.6.
13.	Board Thickness and R-Value: 1.5 inches (38.1mm), R5+.
14.	Board Thickness and R-Value: 2 inches (50.8mm), R7.
15.	Board Thickness and R-Value: 2.5 inches (63.5mm), R9.
16.	Board Thickness and R-Value: 3.5 inches (88.9mm), R13.
17.	Board Thickness and R-Value: 4 inches (101.6mm), R15.
18.	Board Thickness and R-Value: 5.5 inches (139.7mm), R20.
19.	Board Thickness and R-Value: 7.25 inches (184.15mm, R26.
20.	Board Thickness and R-Value: 9.25 inches (234.95mm), R34.
2.3	WOOD FIBER BATT INSULATION
A.	Wood Fiber Batt Insulation: TimberBatt by TimberHP with the following attributes.
1.	Description: Press-fit batt insulation for wood frame and steel stud cavities.
2.	Contents: Wood fibers, polyamide fibers, boric acid.
3.	Sustainability: FSC-certified softwood.
4.	R-Value: 4.0 per inch.
5.	Vapor Permeability: 46 perm-inch.
6.	Acoustic Performance: NRC 1.15 at 5-1/2 inches (140 mm) thick.
7.	Fire Protection: ASTM E84 Class A flame spread and smoke developed. 
8.	Standards: Meets applicable ASTM C739 requirements - Standard Specification for Cellulosic Fiber-Fill Thermal Insulation.
9.	Wall Batt R-Value: R-12, 3 inches (76.2mm) thickness.
10.	Wall Batt R-Value: R-14, 3.5 inches (88.9mm) thickness.
11.	Wall Batt R-Value: R-22, 5.5 inches (139.7mm) thickness.
12.	Wall Batt R-Value: R-24, 6 inches (152.4mm) thickness.
13.	Wall Batt R-Value: R-30, 7.25 inches (184.15mm) thickness.
14.	Wall Batt Width, Wood Studs: 15 inches (381mm) and 23 inches (584.2mm).
15.	Wall Batt Length, Wood Studs: 47 inches (1193.8mm).
16.	Attic Batt R-Value: R-13, Initial thickness 3.8 inches (96.5mm), settled thickness 3.4 inches (86.4mm).
17.	Attic Batt R-Value: R-19, Initial thickness 5.6 inches (142.2mm), settled thickness 5.0 inches (127.0mm).
18.	Attic Batt R-Value: R-22, Initial thickness 6.4 inches (162.5mm), settled thickness 5.8 inches (147.3mm).
19.	Attic Batt R-Value: R-26, Initial thickness 7.6 inches (193mm), settled thickness 6.8 inches (172.7mm).
20.	Attic Batt R-Value: R-30, Initial thickness 8.8 inches (223.5mm), settled thickness 7.9 inches (200.6mm).
21.	Attic Batt R-Value: R-32, Initial thickness 9.3 inches (236.2mm), settled thickness 8.4 inches (213.3mm).
22.	Attic Batt R-Value: R-38, Initial thickness 11.1 inches (281.9mm), settled thickness 10.0 inches (254.0mm).
23.	Attic Batt R-Value: R-40, Initial thickness 11.7 inches (297.2mm), settled thickness 10.5 inches (266.7mm).
24.	Attic Batt R-Value: R-44, Initial thickness 12.9 inches (327.6mm), settled thickness 11.6 inches (294.6mm).
25.	Attic Batt R-Value: R-48, Initial thickness 14.0 inches (355.6mm), settled thickness 12.6 inches (320.0mm).
26.	Attic Batt R-Value: R-49, Initial thickness 14.3 inches (363.2mm), settled thickness 12.9 inches (327.6mm).
27.	Attic Batt R-Value: R-50, Initial thickness 18.0 inches (457mm), settled thickness 16.2 inches (411.5mm).
28.	Batt Width, Steel Studs: 16 inches (406.4mm) and 24 inches (mm).
29.	Batt Length, Steel Studs: 48 inches (609.6mm).
2.4	WOOD FIBER BLOWN-IN INSULATION
A.	Wood Fiber Blown-In Insulation: TimberFill by Timber HP with the following attributes.
1.	Description: Wood fiber blown-in insulation.
2.	Contents: Softwood chips refined into a loose-bodied fiber and blended with borate.
3.	Sustainability: FSC-certified softwood.
4.	R-Value: 3.8 / inch.
5.	Acoustic Performance: NRC 1.15 at 5-1/2 inches (140 mm) thick.
6.	Fire Protection: ASTM E84 Class A flame spread and smoke developed.
7.	Safety Standard: ASTM C739 - Standard Specification for Cellulosic Fiber Loose-Fill Thermal Insulation and Code of Federal Regulations (CFR) 16 Part 1209 Interim Safety Standard for Cellulose Insulation.
8.	Loose Fill Application: 
a.	R-Value: 11, minimum thickness 3.3 inches (83.8mm).
b.	R-Value: 13, minimum thickness 3.8 inches (96.5mm).
c.	R-Value: 19, minimum thickness 5.6 inches (142.2mm).
d.	R-Value: 22, minimum thickness 6.4 inches (162.5mm).
e.	R-Value: 26, minimum thickness 7.6 inches (193.0mm).
f.	R-Value: 30, minimum thickness 8.8 inches (223.5mm).
g.	R-Value: 38, minimum thickness 11.1 inches (281.9mm).
h.	R-Value: 40, minimum thickness 11.7 inches (297.1mm).
i.	R-Value: 44, minimum thickness 12.9 inches (327.6mm).
j.	R-Value: 49, minimum thickness 14.3 inches (363.2mm).
k.	R-Value: 50, minimum thickness 14.8 inches (375.9mm).
l.	R-Value: 60, minimum thickness 18.0 inches (457.2mm).
9.	Dense Pack Application: Density of 3 pounds per cubic foot or greater.
a.	Installed Thickness 2x4 framing, R-13: 3.5 inches (88.9mm).
b.	Installed Thickness 2x6 framing, R-21: 5.5 inches (139.7mm).
c.	Installed Thickness 2x8 framing, R-28: 7.25 inches (184.15mm).
d.	Installed Thickness 2x10 framing, R-35: 9.25 inches (234.95mm).
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until substrates have been properly constructed and prepared.
B.	If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
3.2	PREPARATION
A.	Clean surfaces thoroughly prior to installation.
B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3	INSTALLATION
A.	Install products in accordance with manufacturer's instructions, approved submittals and in proper relationship with adjacent construction.
1.	Install insulation that is dry and undamaged.
2.	Cut and fit insulation tightly around obstructions.
3.	Install continuously, without gaps. 
3.4	CLEANING AND PROTECTION
A.	Clean products in accordance with the manufacturers recommendations. 
B.	Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION