Seam Tape

Usage

• Seed Eco-Home 2 - we used white butyl tape and then black tape. Is the black tape also butyl or is it asphalt tape? [1]. The black variety appears to be asphalt tape. [2]

For a 32' x 16 house with 4'x8' Sheathing

• 2.5 sheets high
• Perimeter of 100' - 26 seams x20' = 520 feet of vertical seam, 200' of horizontal seam for 720' of total seam
• Add interior of another 720' = 1440' of seam
• For roof - 700 ft
• 2140 ft of seam

About

• Taping seams is always a good idea - [3]. Some tapes listed. First one is 50 cents/foot.
• Acrylic or butyl (rubber) adhesive does not end up drying or cracking. Acrylic has peak performance, then butyl [4]. Asphalt is for poor people.

• $12, 167' [5]
• $11, 164' [6]
• $12.50, Kimberly Clark [7]
• 3M™ Grid Air Sealing Tape 8068-NL, 4 in x 75 ft, 8 rolls per case - [8]

By Lifetime

Acrylic

• 7 cent - for 2" wide 6.8 mil aluminized scrim. 4+ lb/in adhesion. Duct sealing standard. Higher adhesion than 3M tape. [9]
• Red tape at Menards is also acrylic, but 2.7 mil thick. The choice above seems better based on thickness.
• 3M 8067 -LEED standard, 10 mil, 25 cent - 4x as expensive for 1.4x the performance of the above [10]
• Polyken - 20 cents, 3", 6 mil [11]
• 4 cent 5 mil greenhouse tape but 50F application (solvent free, water based acrylic) [12]. This is 5 mil thick, whereas packing tape is 3 mil and economy packing tape is 1.6 mil [13]. The greenhouse tape has 1/2 the adhesion strength, but how is its conformity to OSB siding? Aluminized scrim had a hard time conforming to irregularity.
• Packing tape is 1.2 cents - cheap - 2.6 mil and 31 lb per inch longitudinal strength. [14]. But appears to work starting at 14F, whereas greenhouse tape is -40F. [15] on amazon is 1.3 cents.
• 10 cent 5.5 mil but 50F application temp? [16]
• Aluminum 10 cents per 2" 3.6 mil [17]
• Air Sealing Tape 8068. 10 mil - 25 cents - [18]
• Acrylic box sealing tape 2" x 900' for $30. 3 mil. [19]
• Gorilla repair 30c [20]
• Red tape menards - 7 cents but only 2.7 mil thick [21]
• 13 cent 5.5 mil [22]
• 12 cent 7 mil UV stab [23]

"Permanent"

• Permanent gorilla tape all weather - butyl adhesive [24]

10 Year

• 9" [25]

15 Year

• Mentions 15 year in one part, 10 year in another, 6" butyl [26]
• Rubberized asphalt, self-sealing, 9", $37 [27]

Pipe Protection

• 10 mil (20 mil also exists) [28]. What adhesive does Pasco tape use?

Window Tape

• 3.75" - Rollzip - adhesive? 90' for $22 [29]
• 9" fortiflash, 75' - $48 [30]

Foam Joint Tape

• It stretches. $22. [31]

Aluminum

• 4" 180' $47 [32]

Butyl

• Butyl rubber, $24 for 75' 4" wide. Applicable to 30F. [33]
• Deck butyl tape - $30 for 100' - [34]
• 6" butyl Typar 30F [35]
• Gorilla 6 pack 450' 40F application butyl adhesive [36]

Duct Tape

• $20 for 180' - [37]
• Duck tape - $5 [38]
• Shurtape $3.5 [39]
• Gorilla tape $17 150' [40]
• T-Rex [41]

• T-rex vs gorilla vs duck - duck wins car pull. T-rex wins overall. [42]

Specialty

• Acrylic adhesive tape $35 for 100' [43]

For Poly

• Double-sided for poly $1.6/ft - [44]
• Butyl tape for seaming EPDM - [45]